【8分之7-(3分之1+6分之1) 】除以4分之9简便计算

2024-12-26 03:46:16
推荐回答(1个)
回答1:

[7/8-(1/3+1/6)]÷9/4
=[7/8-(2/6+1/6)]÷9/4
=[7/8-1/2]÷9/4
=[7/8-4/8]÷9/4
=(3/8)÷9/4
=(3/8)×4/9
=1/6