问题 解答题
解方程
5x-
5
6
=
5
12
5-
5
8
x=
10
3
25
4
÷x=
5
3
答案

(1)5x-

5
6
=
5
12

5x-

5
6
+
5
6
=
5
12
+
5
6

5x=

5
4

5x÷5=

5
4
÷5,

x=

1
4

(2)5-

5
8
x=
10
3

5-

5
8
x+
5
8
x=
10
3
+
5
8
x,

10
3
+
5
8
x=5,

10
3
+
5
8
x-
10
3
=5-
10
3

5
8
x=
5
3

5
8
5
8
=
5
3
÷
5
8

x=

8
3

(3)

25
4
÷x=
5
3

25
4
÷x×x=
5
3
x,

5
3
x=
25
4

5
3
5
3
=
25
4
÷
5
3

x=

15
4

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