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ffonavia
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equationgen
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  1. README.md +7 -5
  2. index.html +423 -19
  3. prompts.txt +5 -0
README.md CHANGED
@@ -1,10 +1,12 @@
1
  ---
2
- title: Equationgen
3
- emoji: 🚀
4
- colorFrom: indigo
5
- colorTo: red
6
  sdk: static
7
  pinned: false
 
 
8
  ---
9
 
10
- Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
 
1
  ---
2
+ title: equationgen
3
+ emoji: 🐳
4
+ colorFrom: yellow
5
+ colorTo: blue
6
  sdk: static
7
  pinned: false
8
+ tags:
9
+ - deepsite
10
  ---
11
 
12
+ Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
index.html CHANGED
@@ -1,19 +1,423 @@
1
- <!doctype html>
2
- <html>
3
- <head>
4
- <meta charset="utf-8" />
5
- <meta name="viewport" content="width=device-width" />
6
- <title>My static Space</title>
7
- <link rel="stylesheet" href="style.css" />
8
- </head>
9
- <body>
10
- <div class="card">
11
- <h1>Welcome to your static Space!</h1>
12
- <p>You can modify this app directly by editing <i>index.html</i> in the Files and versions tab.</p>
13
- <p>
14
- Also don't forget to check the
15
- <a href="https://huggingface.co/docs/hub/spaces" target="_blank">Spaces documentation</a>.
16
- </p>
17
- </div>
18
- </body>
19
- </html>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <!DOCTYPE html>
2
+ <html lang="en">
3
+ <head>
4
+ <meta charset="UTF-8">
5
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
6
+ <title>Linear Equation Generator with Integer Solutions</title>
7
+ <script src="https://cdn.tailwindcss.com"></script>
8
+ <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
9
+ <style>
10
+ .equation {
11
+ font-family: 'Times New Roman', Times, serif;
12
+ font-size: 1.5rem;
13
+ }
14
+ .hint {
15
+ transition: all 0.3s ease;
16
+ max-height: 0;
17
+ overflow: hidden;
18
+ }
19
+ .hint.active {
20
+ max-height: 200px;
21
+ padding: 0.5rem 0;
22
+ }
23
+ input:focus + .hint-container .hint {
24
+ max-height: 200px;
25
+ }
26
+ .fade-in {
27
+ animation: fadeIn 0.3s ease-in-out;
28
+ }
29
+ @keyframes fadeIn {
30
+ from { opacity: 0; transform: translateY(10px); }
31
+ to { opacity: 1; transform: translateY(0); }
32
+ }
33
+ </style>
34
+ </head>
35
+ <body class="bg-gray-100 min-h-screen">
36
+ <div class="container mx-auto px-4 py-12 max-w-3xl">
37
+ <div class="bg-white rounded-xl shadow-lg overflow-hidden">
38
+ <div class="p-8">
39
+ <h1 class="text-3xl font-bold text-center text-indigo-700 mb-2">
40
+ <i class="fas fa-square-root-alt mr-2"></i>Linear Equation Generator
41
+ </h1>
42
+ <p class="text-gray-600 text-center mb-8">Practice solving linear equations with integer solutions</p>
43
+
44
+ <div class="flex flex-col md:flex-row gap-6 mb-8">
45
+ <div class="flex-1 bg-indigo-50 p-6 rounded-lg">
46
+ <h2 class="text-xl font-semibold text-indigo-800 mb-4">
47
+ <i class="fas fa-sliders-h mr-2"></i>Settings
48
+ </h2>
49
+
50
+ <div class="space-y-4">
51
+ <div>
52
+ <label class="block text-sm font-medium text-gray-700 mb-1">Difficulty</label>
53
+ <select id="difficulty" class="w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500">
54
+ <option value="easy">Easy (one-step)</option>
55
+ <option value="medium">Medium (two-step)</option>
56
+ <option value="hard">Hard (multi-step)</option>
57
+ <option value="parentheses" selected>With Parentheses</option>
58
+ </select>
59
+ </div>
60
+
61
+ <div>
62
+ <label class="block text-sm font-medium text-gray-700 mb-1">Variable</label>
63
+ <input type="text" id="variable" value="x" maxlength="1" class="w-16 px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 text-center">
64
+ </div>
65
+
66
+ <div>
67
+ <label class="block text-sm font-medium text-gray-700 mb-1">Number Range</label>
68
+ <div class="flex items-center gap-2">
69
+ <input type="number" id="minNum" value="-10" class="w-20 px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500">
70
+ <span>to</span>
71
+ <input type="number" id="maxNum" value="10" class="w-20 px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500">
72
+ </div>
73
+ </div>
74
+ </div>
75
+
76
+ <button id="generateBtn" class="mt-6 w-full bg-indigo-600 hover:bg-indigo-700 text-white font-medium py-2 px-4 rounded-md transition duration-150 ease-in-out transform hover:scale-105">
77
+ <i class="fas fa-random mr-2"></i>Generate Equation
78
+ </button>
79
+ </div>
80
+
81
+ <div class="flex-1 bg-white p-6 rounded-lg border border-gray-200">
82
+ <h2 class="text-xl font-semibold text-gray-800 mb-4">
83
+ <i class="fas fa-question-circle mr-2"></i>Problem
84
+ </h2>
85
+
86
+ <div id="equationContainer" class="equation bg-gray-50 p-4 rounded-lg mb-4 text-center min-h-16 flex items-center justify-center">
87
+ <p class="text-gray-500">Click "Generate Equation" to start</p>
88
+ </div>
89
+
90
+ <div class="mt-6">
91
+ <label for="userAnswer" class="block text-sm font-medium text-gray-700 mb-1">Your Answer</label>
92
+ <div class="relative">
93
+ <input type="text" id="userAnswer" class="w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 pr-10" placeholder="Enter the value of x">
94
+ <div class="hint-container absolute right-3 top-1/2 transform -translate-y-1/2">
95
+ <i class="fas fa-lightbulb text-yellow-500 cursor-pointer hint-icon"></i>
96
+ <div class="hint absolute right-0 mt-2 w-64 bg-yellow-50 text-yellow-800 text-sm p-2 rounded-md shadow-lg z-10">
97
+ Enter the numerical value only (e.g. 5 or -3)
98
+ </div>
99
+ </div>
100
+ </div>
101
+ </div>
102
+
103
+ <button id="checkBtn" class="mt-4 w-full bg-green-600 hover:bg-green-700 text-white font-medium py-2 px-4 rounded-md transition duration-150 ease-in-out">
104
+ <i class="fas fa-check mr-2"></i>Check Answer
105
+ </button>
106
+
107
+ <div id="feedback" class="mt-4 p-3 rounded-md hidden"></div>
108
+
109
+ <button id="showStepsBtn" class="mt-2 w-full bg-blue-600 hover:bg-blue-700 text-white font-medium py-2 px-4 rounded-md transition duration-150 ease-in-out hidden">
110
+ <i class="fas fa-list-ol mr-2"></i>Show Solution Steps
111
+ </button>
112
+
113
+ <div id="solutionSteps" class="mt-4 hidden bg-blue-50 p-4 rounded-md text-sm space-y-2"></div>
114
+ </div>
115
+ </div>
116
+
117
+ <div class="bg-gray-50 p-6 rounded-lg">
118
+ <h2 class="text-xl font-semibold text-gray-800 mb-4">
119
+ <i class="fas fa-history mr-2"></i>Recent Problems
120
+ </h2>
121
+ <div id="history" class="space-y-2">
122
+ <!-- History items will be added here -->
123
+ </div>
124
+ </div>
125
+ </div>
126
+ </div>
127
+ </div>
128
+
129
+ <script>
130
+ document.addEventListener('DOMContentLoaded', function() {
131
+ // DOM elements
132
+ const generateBtn = document.getElementById('generateBtn');
133
+ const checkBtn = document.getElementById('checkBtn');
134
+ const equationContainer = document.getElementById('equationContainer');
135
+ const userAnswer = document.getElementById('userAnswer');
136
+ const feedback = document.getElementById('feedback');
137
+ const history = document.getElementById('history');
138
+ const difficulty = document.getElementById('difficulty');
139
+ const variable = document.getElementById('variable');
140
+ const minNum = document.getElementById('minNum');
141
+ const maxNum = document.getElementById('maxNum');
142
+ const showStepsBtn = document.getElementById('showStepsBtn');
143
+ const solutionSteps = document.getElementById('solutionSteps');
144
+
145
+ // Current equation data
146
+ let currentEquation = null;
147
+ let currentSolution = null;
148
+ let currentSteps = [];
149
+
150
+ // Generate a random integer between min and max
151
+ function randomInt(min, max) {
152
+ return Math.floor(Math.random() * (max - min + 1)) + min;
153
+ }
154
+
155
+ // Generate a non-zero random integer between min and max
156
+ function randomNonZero(min, max) {
157
+ let num = 0;
158
+ while (num === 0) {
159
+ num = randomInt(min, max);
160
+ }
161
+ return num;
162
+ }
163
+
164
+ // Generate a linear equation with integer solution
165
+ function generateEquation() {
166
+ const varSymbol = variable.value || 'x';
167
+ const min = parseInt(minNum.value) || -10;
168
+ const max = parseInt(maxNum.value) || 10;
169
+ const diff = difficulty.value;
170
+
171
+ // First generate a random integer solution
172
+ const solution = randomInt(min, max);
173
+
174
+ let equation = '';
175
+ let steps = [];
176
+
177
+ if (diff === 'easy') {
178
+ // ax = b format where b is divisible by a
179
+ const a = randomNonZero(min, max);
180
+ const b = a * solution;
181
+
182
+ equation = `${a}${varSymbol} = ${b}`;
183
+
184
+ steps = [
185
+ `Given equation: ${equation}`,
186
+ `Divide both sides by ${a}: ${varSymbol} = ${b}/${a}`,
187
+ `Solution: ${varSymbol} = ${solution}`
188
+ ];
189
+ }
190
+ else if (diff === 'medium') {
191
+ // ax + b = c format where (c - b) is divisible by a
192
+ const a = randomNonZero(min, max);
193
+ const b = randomInt(min, max);
194
+ const c = a * solution + b;
195
+
196
+ equation = `${a}${varSymbol} ${b < 0 ? '-' : '+'} ${Math.abs(b)} = ${c}`;
197
+
198
+ steps = [
199
+ `Given equation: ${equation}`,
200
+ `Subtract ${b} from both sides: ${a}${varSymbol} = ${c - b}`,
201
+ `Divide both sides by ${a}: ${varSymbol} = ${solution}`,
202
+ `Solution: ${varSymbol} = ${solution}`
203
+ ];
204
+ }
205
+ else if (diff === 'hard') {
206
+ // ax + b = cx + d format where (d - b) is divisible by (a - c)
207
+ const a = randomNonZero(min, max);
208
+ const c = randomNonZero(min, max);
209
+
210
+ // Ensure a ≠ c
211
+ while (a === c) {
212
+ c = randomNonZero(min, max);
213
+ }
214
+
215
+ const b = randomInt(min, max);
216
+ const d = (a - c) * solution + b;
217
+
218
+ equation = `${a}${varSymbol} ${b < 0 ? '-' : '+'} ${Math.abs(b)} = ${c}${varSymbol} ${d < 0 ? '-' : '+'} ${Math.abs(d)}`;
219
+
220
+ steps = [
221
+ `Given equation: ${equation}`,
222
+ `Subtract ${c}${varSymbol} from both sides: ${(a - c)}${varSymbol} ${b < 0 ? '-' : '+'} ${Math.abs(b)} = ${d}`,
223
+ `Subtract ${b} from both sides: ${(a - c)}${varSymbol} = ${d - b}`,
224
+ `Divide both sides by ${a - c}: ${varSymbol} = ${solution}`,
225
+ `Solution: ${varSymbol} = ${solution}`
226
+ ];
227
+ }
228
+ else if (diff === 'parentheses') {
229
+ // Randomly choose between different formats with parentheses
230
+ const format = randomInt(1, 3);
231
+
232
+ if (format === 1) {
233
+ // a(bx + c) = d where d is divisible by a and (d/a - c) is divisible by b
234
+ const a = randomNonZero(min, max);
235
+ const b = randomNonZero(min, max);
236
+ const c = randomInt(min, max);
237
+ const d = a * (b * solution + c);
238
+
239
+ equation = `${a}(${b}${varSymbol} ${c < 0 ? '-' : '+'} ${Math.abs(c)}) = ${d}`;
240
+
241
+ steps = [
242
+ `Given equation: ${equation}`,
243
+ `Divide both sides by ${a}: ${b}${varSymbol} ${c < 0 ? '-' : '+'} ${Math.abs(c)} = ${b * solution + c}`,
244
+ `${c < 0 ? 'Add' : 'Subtract'} ${Math.abs(c)} to both sides: ${b}${varSymbol} = ${b * solution}`,
245
+ `Divide both sides by ${b}: ${varSymbol} = ${solution}`,
246
+ `Solution: ${varSymbol} = ${solution}`
247
+ ];
248
+ }
249
+ else if (format === 2) {
250
+ // a(bx + c) + d = e where (e - d) is divisible by a and ((e - d)/a - c) is divisible by b
251
+ const a = randomNonZero(min, max);
252
+ const b = randomNonZero(min, max);
253
+ const c = randomInt(min, max);
254
+ const d = randomInt(min, max);
255
+ const e = a * (b * solution + c) + d;
256
+
257
+ equation = `${a}(${b}${varSymbol} ${c < 0 ? '-' : '+'} ${Math.abs(c)}) ${d < 0 ? '-' : '+'} ${Math.abs(d)} = ${e}`;
258
+
259
+ steps = [
260
+ `Given equation: ${equation}`,
261
+ `${d < 0 ? 'Add' : 'Subtract'} ${Math.abs(d)} to both sides: ${a}(${b}${varSymbol} ${c < 0 ? '-' : '+'} ${Math.abs(c)}) = ${a * (b * solution + c)}`,
262
+ `Divide both sides by ${a}: ${b}${varSymbol} ${c < 0 ? '-' : '+'} ${Math.abs(c)} = ${b * solution + c}`,
263
+ `${c < 0 ? 'Add' : 'Subtract'} ${Math.abs(c)} to both sides: ${b}${varSymbol} = ${b * solution}`,
264
+ `Divide both sides by ${b}: ${varSymbol} = ${solution}`,
265
+ `Solution: ${varSymbol} = ${solution}`
266
+ ];
267
+ }
268
+ else {
269
+ // a(bx + c) = d(ex + f) where (a*c - d*f) is divisible by (d*e - a*b)
270
+ const a = randomNonZero(min, max);
271
+ const b = randomNonZero(min, max);
272
+ const c = randomInt(min, max);
273
+ const d = randomNonZero(min, max);
274
+ const e = randomNonZero(min, max);
275
+ const f = randomInt(min, max);
276
+
277
+ // Calculate to ensure solution is integer
278
+ const numerator = a * c - d * f;
279
+ const denominator = d * e - a * b;
280
+
281
+ // Ensure denominator is not zero and divides numerator
282
+ while (denominator === 0 || numerator % denominator !== 0) {
283
+ b = randomNonZero(min, max);
284
+ e = randomNonZero(min, max);
285
+ denominator = d * e - a * b;
286
+ }
287
+
288
+ equation = `${a}(${b}${varSymbol} ${c < 0 ? '-' : '+'} ${Math.abs(c)}) = ${d}(${e}${varSymbol} ${f < 0 ? '-' : '+'} ${Math.abs(f)})`;
289
+
290
+ steps = [
291
+ `Given equation: ${equation}`,
292
+ `Expand left side: ${a*b}${varSymbol} ${a*c < 0 ? '-' : '+'} ${Math.abs(a*c)} = ${d*e}${varSymbol} ${d*f < 0 ? '-' : '+'} ${Math.abs(d*f)}`,
293
+ `Bring all terms to one side: ${(a*b - d*e)}${varSymbol} = ${d*f - a*c}`,
294
+ `Divide both sides by ${a*b - d*e}: ${varSymbol} = ${solution}`,
295
+ `Solution: ${varSymbol} = ${solution}`
296
+ ];
297
+ }
298
+ }
299
+
300
+ return { equation, solution, steps };
301
+ }
302
+
303
+ // Generate a new equation
304
+ generateBtn.addEventListener('click', function() {
305
+ const result = generateEquation();
306
+ currentEquation = result.equation;
307
+ currentSolution = result.solution;
308
+ currentSteps = result.steps;
309
+
310
+ equationContainer.innerHTML = `<span class="equation">${currentEquation}</span>`;
311
+ userAnswer.value = '';
312
+ feedback.classList.add('hidden');
313
+ solutionSteps.classList.add('hidden');
314
+ showStepsBtn.classList.add('hidden');
315
+
316
+ // Focus on answer input
317
+ setTimeout(() => userAnswer.focus(), 100);
318
+ });
319
+
320
+ // Check the user's answer
321
+ checkBtn.addEventListener('click', function() {
322
+ if (!currentEquation) {
323
+ feedback.textContent = 'Please generate an equation first!';
324
+ feedback.className = 'mt-4 p-3 rounded-md bg-red-100 text-red-800';
325
+ feedback.classList.remove('hidden');
326
+ return;
327
+ }
328
+
329
+ const userValue = parseFloat(userAnswer.value);
330
+ if (isNaN(userValue)) {
331
+ feedback.textContent = 'Please enter a valid number!';
332
+ feedback.className = 'mt-4 p-3 rounded-md bg-red-100 text-red-800';
333
+ feedback.classList.remove('hidden');
334
+ return;
335
+ }
336
+
337
+ // Compare with exact integer value
338
+ if (userValue === currentSolution) {
339
+ feedback.textContent = 'Correct! Well done!';
340
+ feedback.className = 'mt-4 p-3 rounded-md bg-green-100 text-green-800';
341
+
342
+ // Show steps button
343
+ showStepsBtn.classList.remove('hidden');
344
+
345
+ // Add to history
346
+ const historyItem = document.createElement('div');
347
+ historyItem.className = 'bg-white p-3 rounded-md border border-gray-200 flex justify-between items-center fade-in';
348
+ historyItem.innerHTML = `
349
+ <div>
350
+ <span class="equation">${currentEquation}</span>
351
+ <span class="text-gray-500 mx-2">→</span>
352
+ <span>${variable.value || 'x'} = ${currentSolution}</span>
353
+ </div>
354
+ <span class="text-green-500"><i class="fas fa-check-circle"></i></span>
355
+ `;
356
+ history.prepend(historyItem);
357
+
358
+ // Limit history to 5 items
359
+ if (history.children.length > 5) {
360
+ history.removeChild(history.lastChild);
361
+ }
362
+ } else {
363
+ feedback.textContent = `Not quite right. Try again! (Hint: the solution is an integer)`;
364
+ feedback.className = 'mt-4 p-3 rounded-md bg-red-100 text-red-800';
365
+ showStepsBtn.classList.remove('hidden');
366
+ }
367
+
368
+ feedback.classList.remove('hidden');
369
+ });
370
+
371
+ // Show solution steps
372
+ showStepsBtn.addEventListener('click', function() {
373
+ if (solutionSteps.classList.contains('hidden')) {
374
+ solutionSteps.innerHTML = currentSteps.map(step =>
375
+ `<div class="p-2 bg-white rounded border-b border-gray-100">${step}</div>`
376
+ ).join('');
377
+ solutionSteps.classList.remove('hidden');
378
+ this.innerHTML = `<i class="fas fa-eye-slash mr-2"></i>Hide Solution Steps`;
379
+ } else {
380
+ solutionSteps.classList.add('hidden');
381
+ this.innerHTML = `<i class="fas fa-list-ol mr-2"></i>Show Solution Steps`;
382
+ }
383
+ });
384
+
385
+ // Allow pressing Enter to check answer
386
+ userAnswer.addEventListener('keypress', function(e) {
387
+ if (e.key === 'Enter') {
388
+ checkBtn.click();
389
+ }
390
+ });
391
+
392
+ // Show hint when focusing on input
393
+ const hintIcon = document.querySelector('.hint-icon');
394
+ const hint = document.querySelector('.hint');
395
+
396
+ userAnswer.addEventListener('focus', function() {
397
+ hint.classList.add('active');
398
+ });
399
+
400
+ userAnswer.addEventListener('blur', function() {
401
+ setTimeout(() => {
402
+ if (document.activeElement !== hintIcon) {
403
+ hint.classList.remove('active');
404
+ }
405
+ }, 100);
406
+ });
407
+
408
+ hintIcon.addEventListener('mouseenter', function() {
409
+ hint.classList.add('active');
410
+ });
411
+
412
+ hintIcon.addEventListener('mouseleave', function() {
413
+ if (document.activeElement !== userAnswer) {
414
+ hint.classList.remove('active');
415
+ }
416
+ });
417
+
418
+ // Generate first equation on load
419
+ generateBtn.click();
420
+ });
421
+ </script>
422
+ <p style="border-radius: 8px; text-align: center; font-size: 12px; color: #fff; margin-top: 16px;position: fixed; left: 8px; bottom: 8px; z-index: 10; background: rgba(0, 0, 0, 0.8); padding: 4px 8px;">Made with <img src="https://enzostvs-deepsite.hf.space/logo.svg" alt="DeepSite Logo" style="width: 16px; height: 16px; vertical-align: middle;display:inline-block;margin-right:3px;filter:brightness(0) invert(1);"><a href="https://enzostvs-deepsite.hf.space" style="color: #fff;text-decoration: underline;" target="_blank" >DeepSite</a> - 🧬 <a href="https://enzostvs-deepsite.hf.space?remix=ffonavia/equationgen" style="color: #fff;text-decoration: underline;" target="_blank" >Remix</a></p></body>
423
+ </html>
prompts.txt ADDED
@@ -0,0 +1,5 @@
 
 
 
 
 
 
1
+ приложение для запомининия таблицы умножения, чтобы ребенку было весело
2
+ когда начинаешь ввод, появляется подсказка, и ввод невозможен, исправь это
3
+ генератор примеров линейных уравнений
4
+ добавь примеры с раскрытием скобок. корни всех примеров должны быть целыми числами
5
+ все ответы во всех уравнениях должны быть целыми числами,