①设这个数为x:
3
5 x=36×
5
6 ,
3
5 x=30,
3
5 x÷
3
5 =30÷
3
5 ,
x=50,
答:这个数是50.
②(
5
6 -
1
3 )÷
2
3 ,
=
1
2 ÷
2
3 ,
=
1
2 ×
3
2 ,
=
3
4 .
答:商是
3
4 .
①设这个数为x:
3
5 x=36×
5
6 ,
3
5 x=30,
3
5 x÷
3
5 =30÷
3
5 ,
x=50,
答:这个数是50.
②(
5
6 -
1
3 )÷
2
3 ,
=
1
2 ÷
2
3 ,
=
1
2 ×
3
2 ,
=
3
4 .
答:商是
3
4 .