Question

直接写得数．

6÷ 9 14 =	15× 8 9 =	5 12 × 8 15 =	1 2 × 2 3 ÷ 1 2 × 2 3 =
4 7 ÷ 8 21 =	6 5 ÷ 5 6 =	5 6 × 4 7 ÷ 4 7 =	7 15 × 22 9 + 5 9 × 7 15 =

Answer 1

分析：根据分数加减乘除法的计算法则进行运算．

解答：解：6÷

9

14

=

28

3

       15×

8

9

=

40

3

    

5

12

×

8

15

=

2

9

     

1

2

×

2

3

÷

1

2

×

2

3

=

4

9

4

7

÷

8

21

=

3

2

      

6

5

÷

5

6

=

36

25

      

5

6

×

4

7

÷

4

7

=

5

6

     

7

15

×

22

9

+

5

9

×

7

15

=

7

5

点评：考查了分数加减乘除法的四则混合运算．