题目4 4 4 4=10填加减乘除

答案:1 悬赏:20 手机版

解决时间 2021-08-14 20:11

提问者网友：温旧梦泪无声
2021-08-14 02:09

题目4 4 4 4=10填加减乘除

最佳答案

五星知识达人网友：玩世
2021-08-14 02:45

不可能得到10

((4 + 4) + 4) + 4 = 16
(4 + 4) + (4 + 4) = 16
((4 + 4) + 4) - 4 = 8
(4 + 4) - (4 + 4) = 0
((4 + 4) + 4) * 4 = 48
(4 + 4) * (4 + 4) = 64
((4 + 4) + 4) / 4 = 3
(4 + 4) / (4 + 4) = 1
((4 + 4) - 4) + 4 = 8
(4 + 4) + (4 - 4) = 8
((4 + 4) - 4) - 4 = 0
(4 + 4) - (4 - 4) = 8
((4 + 4) - 4) * 4 = 16
(4 + 4) * (4 - 4) = 0
((4 + 4) - 4) / 4 = 1
(4 + 4) / (4 - 4) = 1.#INF
((4 + 4) * 4) + 4 = 36
(4 + 4) + (4 * 4) = 24
((4 + 4) * 4) - 4 = 28
(4 + 4) - (4 * 4) = -8
((4 + 4) * 4) * 4 = 128
(4 + 4) * (4 * 4) = 128
((4 + 4) * 4) / 4 = 8
(4 + 4) / (4 * 4) = 0.5
((4 + 4) / 4) + 4 = 6
(4 + 4) + (4 / 4) = 9
((4 + 4) / 4) - 4 = -2
(4 + 4) - (4 / 4) = 7
((4 + 4) / 4) * 4 = 8
(4 + 4) * (4 / 4) = 8
((4 + 4) / 4) / 4 = 0.5
(4 + 4) / (4 / 4) = 8
((4 - 4) + 4) + 4 = 8
(4 - 4) + (4 + 4) = 8
((4 - 4) + 4) - 4 = 0
(4 - 4) - (4 + 4) = -8
((4 - 4) + 4) * 4 = 16
(4 - 4) * (4 + 4) = 0
((4 - 4) + 4) / 4 = 1
(4 - 4) / (4 + 4) = 0
((4 - 4) - 4) + 4 = 0
(4 - 4) + (4 - 4) = 0
((4 - 4) - 4) - 4 = -8
(4 - 4) - (4 - 4) = 0
((4 - 4) - 4) * 4 = -16
(4 - 4) * (4 - 4) = 0
((4 - 4) - 4) / 4 = -1
(4 - 4) / (4 - 4) = -1.#IND
((4 - 4) * 4) + 4 = 4
(4 - 4) + (4 * 4) = 16
((4 - 4) * 4) - 4 = -4
(4 - 4) - (4 * 4) = -16
((4 - 4) * 4) * 4 = 0
(4 - 4) * (4 * 4) = 0
((4 - 4) * 4) / 4 = 0
(4 - 4) / (4 * 4) = 0
((4 - 4) / 4) + 4 = 4
(4 - 4) + (4 / 4) = 1
((4 - 4) / 4) - 4 = -4
(4 - 4) - (4 / 4) = -1
((4 - 4) / 4) * 4 = 0
(4 - 4) * (4 / 4) = 0
((4 - 4) / 4) / 4 = 0
(4 - 4) / (4 / 4) = 0
((4 * 4) + 4) + 4 = 24
(4 * 4) + (4 + 4) = 24
((4 * 4) + 4) - 4 = 16
(4 * 4) - (4 + 4) = 8
((4 * 4) + 4) * 4 = 80
(4 * 4) * (4 + 4) = 128
((4 * 4) + 4) / 4 = 5
(4 * 4) / (4 + 4) = 2
((4 * 4) - 4) + 4 = 16
(4 * 4) + (4 - 4) = 16
((4 * 4) - 4) - 4 = 8
(4 * 4) - (4 - 4) = 16
((4 * 4) - 4) * 4 = 48
(4 * 4) * (4 - 4) = 0
((4 * 4) - 4) / 4 = 3
(4 * 4) / (4 - 4) = 1.#INF
((4 * 4) * 4) + 4 = 68
(4 * 4) + (4 * 4) = 32
((4 * 4) * 4) - 4 = 60
(4 * 4) - (4 * 4) = 0
((4 * 4) * 4) * 4 = 256
(4 * 4) * (4 * 4) = 256
((4 * 4) * 4) / 4 = 16
(4 * 4) / (4 * 4) = 1
((4 * 4) / 4) + 4 = 8
(4 * 4) + (4 / 4) = 17
((4 * 4) / 4) - 4 = 0
(4 * 4) - (4 / 4) = 15
((4 * 4) / 4) * 4 = 16
(4 * 4) * (4 / 4) = 16
((4 * 4) / 4) / 4 = 1
(4 * 4) / (4 / 4) = 16
((4 / 4) + 4) + 4 = 9
(4 / 4) + (4 + 4) = 9
((4 / 4) + 4) - 4 = 1
(4 / 4) - (4 + 4) = -7
((4 / 4) + 4) * 4 = 20
(4 / 4) * (4 + 4) = 8
((4 / 4) + 4) / 4 = 1.25
(4 / 4) / (4 + 4) = 0.125
((4 / 4) - 4) + 4 = 1
(4 / 4) + (4 - 4) = 1
((4 / 4) - 4) - 4 = -7
(4 / 4) - (4 - 4) = 1
((4 / 4) - 4) * 4 = -12
(4 / 4) * (4 - 4) = 0
((4 / 4) - 4) / 4 = -0.75
(4 / 4) / (4 - 4) = 1.#INF
((4 / 4) * 4) + 4 = 8
(4 / 4) + (4 * 4) = 17
((4 / 4) * 4) - 4 = 0
(4 / 4) - (4 * 4) = -15
((4 / 4) * 4) * 4 = 16
(4 / 4) * (4 * 4) = 16
((4 / 4) * 4) / 4 = 1
(4 / 4) / (4 * 4) = 0.0625
((4 / 4) / 4) + 4 = 4.25
(4 / 4) + (4 / 4) = 2
((4 / 4) / 4) - 4 = -3.75
(4 / 4) - (4 / 4) = 0
((4 / 4) / 4) * 4 = 1
(4 / 4) * (4 / 4) = 1
((4 / 4) / 4) / 4 = 0.0625
(4 / 4) / (4 / 4) = 1

可见没一种情况可以得到10...

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