问题 解答题
解方程.
x-
3
5
x=
6
5

1
4
(x+0.5)=2
2
3
x+
1
2
=
7
8
答案

(1)x-

3
5
x=
6
5

2
5
x÷
2
5
=
6
5
÷
2
5

x=3;

(2)

1
4
(x+0.5)=2,

1
4
(x+0.5)÷
1
4
=2÷
1
4

x+0.5-0.5=8-0.5,

x=7.5;

(3)

2
3
x+
1
2
=
7
8

2
3
x+
1
2
-
1
2
=
7
8
-
1
2

2
3
x÷
2
3
=
3
8
÷
2
3

x=

9
16

选择题
判断题