Question

急！！！！！！分数的解方程（写过程

2x÷3分之2=6分之5
4分之1X ×5分之4=10分之3
6分之5x÷3分之2=7分之6
2分之1X×3分之2=6分之1
5分之2x÷10分之3=51分之20
3分之2X×4分之3=8分之1

Answer 1

解1题：2x÷(2/3)=5/6
2x=2/3×5/6
2x=5/9
x=5/9÷2
x=5/9×1/2
x=5/18
2题：(1/4)x×4/5=3/10
(1/4)x=3/10÷(4/5)
(1/4)x=3/10×5/4
(1/4)x=3/8
x=3/8÷(1/4)
x=(3/8)×4
x=3/2
3题：(5/6)x÷(2/3)=6/7
(5/6)x=2/3×6/7
(5/6)x=4/7
x=4/7÷(5/6)
x=4/7×6/5
x=24/35
4题: (1/2)x×2/3=1/6
(1/2)x=1/6÷(2/3)
(1/2)x=1/6×3/2
(1/2)x=1/4
x=1/4÷(1/2)
x=(1/4)×2
x=1/2
5题：(2/5)x÷(3/10)=20/51
(2/5)x=3/10×20/51
(2/5)x=2/17
x=2/17÷(2/5)
x=2/17×5/2
x=5/17
6题：(2/3)x×3/4=1/8
(2/3)x=1/8÷(3/4)
(2/3)x=1/8×4/3
(2/3)x=1/6
x=1/6÷(2/3)
x=1/6×3/2
x=1/4

Answer 2

过不去

Answer 3