带分数除法.(1)例:427÷11114=307÷2514=______=______分数除法中有带分数的,先把带分数化成______,然后______.(2)试一试.16÷135310÷145427

题目简介

带分数除法.(1)例:427÷11114=307÷2514=______=______分数除法中有带分数的,先把带分数化成______,然后______.(2)试一试.16÷135310÷145427

题目详情

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
题型:解答题难度:中档来源:不详

答案

(1)4class="stub"2
7
÷1class="stub"11
14
=class="stub"30
7
÷class="stub"25
14
=class="stub"30
7
×class="stub"14
25
=class="stub"12
5


(2)①16÷1class="stub"3
5
=16÷class="stub"8
5
=16×class="stub"5
8
=10;

class="stub"3
10
÷1class="stub"4
5
=class="stub"3
10
÷class="stub"9
5
=class="stub"3
10
×class="stub"5
9
=class="stub"1
6


③4class="stub"2
7
÷5=class="stub"30
7
÷5=class="stub"30
7
×class="stub"1
5
=class="stub"6
7


class="stub"5
7
÷1class="stub"1
14
=class="stub"5
7
÷class="stub"15
14
=class="stub"5
7
×class="stub"14
15
=class="stub"2
3


⑤2class="stub"1
10
÷1class="stub"2
3
=class="stub"21
10
÷class="stub"5
3
=class="stub"21
10
×class="stub"3
5
=class="stub"63
50


⑥6class="stub"3
5
÷class="stub"3
5
=class="stub"33
5
÷class="stub"3
5
=class="stub"33
5
×class="stub"5
3
=11;

⑦1class="stub"1
5
×3class="stub"3
4
=class="stub"6
5
×class="stub"15
4
=class="stub"9
2


⑧2class="stub"1
3
-class="stub"3
5
=class="stub"7
3
-class="stub"3
5
=class="stub"35
15
-class="stub"9
15
=class="stub"26
15

故答案为:class="stub"30
7
×class="stub"14
25
class="stub"12
5
;假分数,相除.

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