作业帮7,7,7,7怎么算24点?(任何符号兼可)例如(0!+0!+0!+0!=24 或 [cos(0)+cos(0)+cos(0)+cos(0)]!=24
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7,7,7,7怎么算24点?(任何符号兼可)例如(0!+0!+0!+0!=24 或 [cos(0)+cos(0)+cos(0)+cos(0)]!=24
7,7,7,7怎么算24点?(任何符号兼可)
例如(0!+0!+0!+0!=24 或 [cos(0)+cos(0)+cos(0)+cos(0)]!=24
7,7,7,7怎么算24点?(任何符号兼可)例如(0!+0!+0!+0!=24 或 [cos(0)+cos(0)+cos(0)+cos(0)]!=24
7' = 0 导数
0!= 1 阶乘
1 + 1 + 1 + 1 = 4 求和
4!= 24 阶乘
综合起来就是：[(7')!+ (7')!+(7')!+(7')!]!= 24
我还以为!=是不等于的意思。。。原来是阶乘
答：不必求导，通过四则运算和阶乘也能算24点：
(77÷7-7)！=24