3,4,5,2和11,2,10,5都能用加，减，乘，除四则运算得出“24”点，这是为什么？
如果算是中允许包含乘方运算，你能列出符合要求的不同的算式吗？3,4,5,2和11,2,10,5都能用加，减，乘，除四则运算得出“24”点吗？为什么？...
如果算是中允许包含乘方运算，你能列出符合要求的不同的算式吗？
3,4,5,2和11,2,10,5都能用加，减，乘，除四则运算得出“24”点吗？
为什么？ 展开
3,4,5,2和11,2,10,5都能用加，减，乘，除四则运算得出“24”点吗？
为什么？ 展开
展开全部
1: (3 + 4 + 5) × 2
2: ((3 + 4) + 5) × 2
3: (3 + (4 + 5)) × 2
4: (3 + 5 + 4) × 2
5: ((3 + 5) + 4) × 2
6: (3 + (5 + 4)) × 2
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22: (4 + 5 + 3) × 2
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2: ((3 + 4) + 5) × 2
3: (3 + (4 + 5)) × 2
4: (3 + 5 + 4) × 2
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6: (3 + (5 + 4)) × 2
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24: (4 + (5 + 3)) × 2
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201: (5 + 10) + (11 - 2)
202: 5 + 10 - 2 + 11
203: (5 + 10) - 2 + 11
204: (5 + 10 - 2) + 11
205: ((5 + 10) - 2) + 11
206: (5 + (10 - 2)) + 11
207: 5 + (10 - 2) + 11
208: 5 + (10 - 2 + 11)
209: 5 + ((10 - 2) + 11)
210: 5 + (10 - (2 - 11))
211: 5 + 10 -(2 - 11)
212: (5 + 10) - (2 - 11)
213: 5 - 2 + 11 + 10
214: (5 - 2) + 11 + 10
215: (5 - 2 + 11) + 10
216: ((5 - 2) + 11) + 10
217: 5 - 2 +(11 + 10)
218: (5 - 2) + (11 + 10)
219: (5 - (2 - 11)) + 10
220: 5 - (2 - 11) + 10
221: 5 - (2 - (11 + 10))
222: 5 - (2 - 11 - 10)
223: 5 - ((2 - 11) - 10)
224: 5 - 2 + 10 + 11
225: (5 - 2) + 10 + 11
226: (5 - 2 + 10) + 11
227: ((5 - 2) + 10) + 11
228: 5 - 2 +(10 + 11)
229: (5 - 2) + (10 + 11)
230: (5 - (2 - 10)) + 11
231: 5 - (2 - 10) + 11
232: 5 - (2 - (10 + 11))
233: 5 - (2 - 10 - 11)
234: 5 - ((2 - 10) - 11)
235: 2 + 11 × 10 ÷ 5
236: 2 + (11 × 10) ÷ 5
237: 2 + (11 × 10 ÷ 5)
238: 2 + ((11 × 10) ÷ 5)
239: 2 + (11 × (10 ÷ 5))
240: 2 + 11 ×(10 ÷ 5)
241: 2 × 11 + 10 ÷ 5
242: (2 × 11) + 10 ÷ 5
243: 2 × 11 +(10 ÷ 5)
244: (2 × 11) + (10 ÷ 5)
245: 2 + 11 ÷ 5 × 10
246: 2 + (11 ÷ 5) × 10
247: 2 + (11 ÷ 5 × 10)
248: 2 + ((11 ÷ 5) × 10)
249: 2 + (11 ÷ (5 ÷ 10))
250: 2 + 11 ÷(5 ÷ 10)
251: 2 + 10 × 11 ÷ 5
252: 2 + (10 × 11) ÷ 5
253: 2 + (10 × 11 ÷ 5)
254: 2 + ((10 × 11) ÷ 5)
255: 2 + (10 × (11 ÷ 5))
256: 2 + 10 ×(11 ÷ 5)
257: 2 + 10 ÷ 5 × 11
258: 2 + (10 ÷ 5) × 11
259: 2 + (10 ÷ 5 × 11)
260: 2 + ((10 ÷ 5) × 11)
261: 2 + (10 ÷ (5 ÷ 11))
262: 2 + 10 ÷(5 ÷ 11)
参考资料： 自己
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