35X2o2的简便运算?

2025-04-13 02:08:48
推荐回答(1个)
回答1:

35 x 202
=35 x(200+2)
=35x200+35x2
=7000+70
=7070
202=200+2,运用乘法分配律即可
望采纳,谢谢!!