Question

直接写得数． 12÷ 3 5 =	24× 5 6 =	5 7 × 2 3 ÷ 5 7 =
0÷ 7 8 =	11 39 ÷ 1 26 =	1 2 × 1 3 ÷ 1 2 × 1 3 =

Answer 1

分析：我们运用分数乘法的计算法则进行计算，注意分数的约分及运算定律的灵活运用．

解答：解：12÷

3

5

=20                                         24×

5

6

=20                                      

5

7

×

2

3

÷

5

7

=

2

3

0÷

7

8

=0                                               

11

39

÷

1

26

=7

1

3

                                 

1

2

×

1

3

÷

1

2

×

1

3

=

1

9

点评：运用计算法则及运算定律认真计算即可．