3.288乘-9+(-3.272)乘9-( -1.5)乘9简算
问题描述:
3.288乘-9+(-3.272)乘9-( -1.5)乘9简算
答
3.288乘-9+(-3.272)乘9-( -1.5)乘9
=(-3.228-3.272+1.5)x9
=(-6.5+1.5)x9
=-5x9
=-45