(8.1x7.5x7.2)÷(2.7x2.5x9)=?用简便方法计算

2025-06-21 16:08:41
推荐回答(1个)
回答1:

(8.1x7.5x7.2)÷(2.7x2.5x9)
= (8.1÷2.7)x(7.5÷2.5)x(7.2÷9)
=3x3x8
=72