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1,125x25x642,63x36+36x36+363,101x91一25x91x4请问各1,125x25x642,63x36+36x36+363,101x91一25x91x4请问各位这三道是怎么简便啊?

题目详情
1,125x25x64 2,63x36+36x36+36 3,101x91一25x91x4 请问各
1,125x25x64
2,63x36+36x36+36
3,101x91一25x91x4
请问各位这三道是怎么简便啊?
▼优质解答
答案和解析

125x8x25x4x2=1000x100x2=200000

(63+36+1)x36=100x36=36000

101x91-100x91=91



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