Question

解4个比例 X/8=3/4 1/6:1/4=1/12:x 1.25/0.25=x/1.6 1.3/2x=1:6

Answer 1

X/8=3/4

4x=8×3=24

x=24÷4

x=6

1/6:1/4=1/12:x

1/6x=1/4×1/12=1/48

x=1/48÷1/6

x=1/8

1.25/0.25=x/1.6

0.25x=1.6×1.25

x=1.6×1.25÷0.25

x=8

1.3/2x=1:6

2x=1.3×6

x=1.3×6÷2

x=3.9