问题 解答题
解方程.
5
8
X=40X÷
2
3
=
5
6
X-
3
4
X=
1
8
答案

(1)

5
8
X=40,

5
8
x÷
5
8
=40÷
5
8

x=64;

(2)X÷

2
3
=
5
6

2
3
×
2
3
=
5
6
×
2
3

x=

5
9

(3)X-

3
4
X=
1
8

1
4
x÷
1
4
=
1
8
÷
1
4

x=0.5.

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