带分数除法.(1)例:4 2 7 ÷1 11 14 = 30 7 ÷ 25 14 =______=______分数除法中

带分数除法.
(1)例:4
2
7
÷1
11
14
=
30
7
÷
25
14
=______=______
分数除法中有带分数的,先把带分数化成______,然后______.
(2)试一试.
16÷1
3
5


3
10
÷1
4
5


4
2
7
÷5


5
7
÷1
1
14
2
1
10
÷1
2
3
6
3
5
÷
3
5
1
1
5
×3
3
4
2
1
3
-
3
5
wzm12892 1年前 已收到1个回答 举报

ginlin 幼苗

共回答了11个问题采纳率:90.9% 举报

(1)4
2
7 ÷1
11
14 =
30
7 ÷
25
14 =
30
7 ×
14
25 =
12
5 ;

(2)①16÷1
3
5 =16 ÷
8
5 =16×
5
8 =10;


3
10 ÷1
4
5 =
3
10 ÷
9
5 =
3
10 ×
5
9 =
1
6 ;

③4
2
7 ÷5=
30
7 ÷5=
30
7 ×
1
5 =
6
7 ;


5
7 ÷1
1
14 =
5
7 ÷
15
14 =
5
7 ×
14
15 =
2
3 ;

⑤2
1
10 ÷1
2
3 =
21
10 ÷
5
3 =
21
10 ×
3
5 =
63
50 ;

⑥6
3
5 ÷
3
5 =
33
5 ÷
3
5 =
33
5 ×
5
3 =11;

⑦1
1
5 ×3
3
4 =
6
5 ×
15
4 =
9
2 ;

⑧2
1
3 -
3
5 =
7
3 -
3
5 =
35
15 -
9
15 =
26
15 .
故答案为:
30
7 ×
14
25 ,
12
5 ;假分数,相除.

1年前

10
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