题目内容

直接写得数
15÷
5
2
=
7
8
÷
7
8
=
3
5
=
1
9
=
9
10
=
7
15
=
3
10
÷
3
5
=
1
3
÷
3
4
=
8
21
÷
4
7
=
4
15
÷
3
4
=
分析:①②③⑤⑥⑦⑧⑨⑩把除法改为乘法,再计算;④0除以任何数都得0.
解答:解:①15÷
5
2
=6;                  ②
7
8
÷
7
8
=1;                     ③6÷
3
5
=10;
④0÷
1
9
=0;                       ⑤3÷
9
10
=
10
3
;                   ⑥1÷
7
15
=
15
7

3
10
÷
3
5
=
1
2
;                    ⑧
1
3
÷
3
4
=
4
9
;                    ⑨
8
21
÷
4
7
=
2
3

4
15
÷
3
4
=
16
45

故答案为:6,1,10,0,
10
3
15
7
1
2
4
9
2
3
16
45
点评:根据“除以一个数等于乘这个数的倒数”进行解答.
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网