7.2*4.5*8.1⼀(1.8*1.5*2.7)简便方法

2025-05-15 16:22:54
推荐回答(1个)
回答1:

7.2*4.5*8.1/(1.8*1.5*2.7)
=7.2/2.7X4.5/1.5X8.1/1.8
=8/3X3X9/2
=8X9/2
=36