25×160×25×20用简便运算怎么算

2024-11-16 06:34:43
推荐回答(1个)
回答1:

25×160×25×20用简便运算怎么
25×160×25×20
=(25x4)x40x(25x4)x5
=100x40x100x5
=4000x500=2000000