试题:
解方程.
(1)60%x÷
6
25
=
5
4

(2)
1
8
×(x+
1
2
)=
3
4
解方程 2016-05-21

答案:

我来补答
(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.
 
 
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