问题 解答题
求未知数x.
(1)
3
4
:x=3:
2
3
                    
(2)
1
6
1
3
=48
答案

(1)

3
4
:x=3:
2
3

              3x=

3
4
×
2
3

           3x÷3=

1
2
÷3,

               x=

1
6
;       

(2)

1
6
1
3
=48,

  

1
6
x÷
1
3
×
1
3
=48×
1
3

         

1
6
x=16,

      

1
6
x÷
1
6
=16÷
1
6

            x=96.

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