Question

算一算． 5 8 ÷ 5 16 =	3÷ 5 7 =	8 14 ÷ 2 7 =	5 12 ÷ 7 10 =	24÷ 1 8 =
30÷ 2 5 =	5 9 ÷10=	7 8 ÷3=	25÷ 5 13 =	6 11 ÷ 2 3 =

Answer 1

分析：通過觀察，都是一個數(shù)除以分數(shù)的題目，先把除法轉(zhuǎn)變?yōu)槌朔�，能約分的要約分．據(jù)此解答．

解答：解：①

5

8

÷

5

16

=

5

8

×

16

5

=2

②3÷

5

7

=3×

7

5

=

21

5

③

8

14

÷

2

7

=

8

14

×

7

2

=2

④

5

12

÷

7

10

=

5

12

×

10

7

=

25

42

⑤24÷

1

8

=24×8
=192

⑥30÷

2

5

=30×

5

2

=75

⑦

5

9

÷10
=

5

9

×

1

10

=

1

18

⑧

7

8

÷3
=

7

8

×

1

3

=

7

24

⑨25÷

5

13

=25×

13

5

=65

⑩

6

11

÷

2

3

=

6

11

×

3

2

=

9

11

點評：根據(jù)分數(shù)除法的計算法則進行計算，先把除法變?yōu)槌朔�，再計算�?/div>