题目内容

解方程.
2
3
4
5
=
3
8

x+
1
5
x=36

1
3
x+
2
3
=
6
9
(1)
2
3
4
5
=
3
8

    
2
3
4
5
×
4
5
=
3
8
×
4
5

           
2
3
x=
3
10

       
2
3
2
3
=
3
10
÷
2
3

             x=
9
20


(2)x+
1
5
x=36
      
6
5
x=36
   
6
5
6
5
=36÷
6
5

         x=30;

(3)
1
3
x+
2
3
=
6
9

1
3
x+
2
3
-
2
3
=
6
9
-
2
3

     
1
3
x=0
 
1
3
1
3
=0÷
1
3

       x=0.
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