问题 解答题
解方程.
(1)60%x÷
6
25
=
5
4

(2)
1
8
×(x+
1
2
)=
3
4
答案

(1)60%x÷

6
25
=
5
4

60%x÷

6
25
×
6
25
=
5
4
×
6
25

60%x=

3
10

60%x÷60%=

3
10
÷60%,

x=

1
2

(2)

1
8
×(x+
1
2
)=
3
4

1
8
×(x+
1
2
÷
1
8
=
3
4
÷
1
8

x+

1
2
=6,

x+

1
2
-
1
2
=6-
1
2

x=5.5.

单项选择题
单项选择题