27.5乘63加2.75乘360加27.5。怎样简便运算

2025-02-24 16:42:58
推荐回答(1个)
回答1:

27.5乘63加2.75乘360加27.5
=27.5乘63加27.5乘36加27.5
=27.5×(63+36+1)
=27.5×100
=2750