4⼀9×3⼀4÷9⼀11 15⼀16+(7⼀16-1⼀4)÷1⼀2 [1-(2⼀3+1⼀6)]÷1⼀4 1⼀3×3⼀4÷(3⼀4-5⼀15)

2024-11-04 21:00:26
推荐回答(3个)
回答1:

4/9×3/4÷9/11
=1/3x11/9
=11/27

15/16+(7/16-1/4)÷1/2
=15/16+7/16x2-1/4x2
=15/16+7/8-1/2
=29/16-8/16
=31/16

[1-(2/3+1/6)]÷1/4
=(1/3-1/6)÷1/4
=1/6x4
=2/3

1/3×3/4÷(3/4-5/15)
=1/4÷3/4-1/4÷1/3
=1/3-3/4
=-5/12

回答2:

11/27 21/16 2/3 3/5

回答3:

用分配啊。可以直接算