解比例要过程 x:1.2=5⼀6 0.3×6-3x=1.2 百分之37.5-3⼀16x=3⼀8 3⼀x=0.8:1⼀7 0.5⼀x+4=5:6

简便计算 5/11×1/8+6/11÷8 (1/4+5/7)÷1/28
2024-12-04 01:42:02
推荐回答(4个)
回答1:

5/11×1/8+6/11÷8 =5/88+6/88=11/88=1/8,
(1/4+5/7)÷1/28=(7/28+20/28)*28=27/28*28=27

回答2:

5/11×1/8+6/11÷8 =5/11x1/8+6/11x1/8=1/8(5/11+6/11)=1/8

回答3:

5/11×1/8+6/11÷8 =5/88+6/11x1/8=5/88+6/88=11/88=1/8
(1/4+5/7)

回答4:

x:1.2= 5/6 0.3×6-3x=1.2 37.5 % -3/16x=3/8
x=1.2×5/6 3x=0.6
x=1 x=0.2