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2,5,9,10算24点

1:(5 * (10 - 7)) + 92:5 * (10 - 7) + 93:9 - (5 * (7 - 10))4:9 - 5 *(7 - 10)5:9 + (5 * (10 - 7))6:9 + 5 *(10 - 7)7:9 - (7 - 10) * 58:9 - ((7 - 10) * 5)9:9 + (10 - 7) * 510:9 + ((10 - 7) * 5)11:(10 - 7) * 5 + 912:((10 - 7) * 5) + 9

[5'! + 8'! + 9'! + 10'!]! = 24 其中对任意的正整数n,n'表示:对常数n求导数,为0 n!表示:n的阶乘,为:n*(n-1)**2*1 0!=1

(9-5)+10*2

5的平方-(10-9)

5, 9, 2, 10的24点答案:1: 9 - 5 + 2 * 102: (9 - 5) + 2 * 103: 9 - 5 +(2 * 10)4: (9 - 5) + (2 * 10)5: 9 - (5 - 2 * 10)6: 9 - (5 - (2 * 10))7: 9 - 5 + 10 * 28: (9 - 5) + 10 * 29: 9 - 5 +(10 * 2)10: (9 - 5) + (10 * 2)11: 9 - (5 - 10 * 2)12: 9 - (5 - (10 * 2))13: 9 + 2 * 10

〔5+ -2除以10〕*5=24 只有这种 就是5加上-1/5等于24/5了,再乘以5啦就等于24 电脑上不好写下来的

1: (2 + 2 ÷ 5) * 102: (2 + (2 ÷ 5)) * 103: (2 * (2 + 5)) + 104: 2 * (2 + 5) + 105: (2 + 5) * 2 + 106: ((2 + 5) * 2) + 107: (2 - 5) * (2 - 10)8: (2 * (5 + 2)) + 109: 2 * (5 + 2) + 1010: (2 ÷ 5

(5-2/10)*5=24

(9-5)+2*10

1: 5 * 7 -(2 + 9) 2: (5 * 7) - (2 + 9) 3: 5 * 7 - 2 - 9 4: (5 * 7) - 2 - 9 5: (5 * 7 - 2) - 9 6: ((5 * 7) - 2) - 9 7: 5 * 7 -(9 + 2) 8: (5 * 7) - (9 + 2) 9: 5 * 7 - 9 - 2 10: (5 * 7) - 9 - 2 11: (5 * 7 - 9) - 2 12: ((5 * 7) - 9) - 2 13: 7 * 5 -(2 + 9) 14: (7 * 5) - (2 + 9) 15: 7 * 5 - 2

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