简便运算: 1⼀6+(5⼀6-3⼀4)⼀2⼀5

2024-12-01 09:27:48
推荐回答(1个)
回答1:

1/6+(5/6-3/4)/2/5
=1/6+(10/12-9/12)*5/2
=1/6+1/12*5/2
=1/6+1/6*5/4
=1/6(1+5/4)
=1/6*9/4
=3/8