36乘39加36乘41加40乘18怎么简便运算
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发布时间:2024-10-24 11:06
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热心网友
时间:2024-10-25 17:44
36乘39加36乘41加40乘18简便运算如下:
36×39+36×41+40×18
=36×39+36×41+20×2×18
=36×39+36×41+20×36
=36×(39+41+20)
=36×100
=3600
热心网友
时间:2024-10-25 17:45
简便计算如下
36×39+36×41+40×18
=36×40+36×40+40×18
=(36+36+18)×40
=90×40
=3600