题目内容
把除法算式改写成乘法算式
(1)
÷4=
×
(2)
÷
=
×
=
.
(1)
| 4 |
| 11 |
| 1 |
| 11 |
| 1 |
| 11 |
| 1 |
| 11 |
4
4
=| 4 |
| 11 |
| 4 |
| 11 |
(2)
| 9 |
| 13 |
| 6 |
| 13 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 6 |
| 13 |
| 6 |
| 13 |
| 9 |
| 13 |
| 9 |
| 13 |
分析:在除法算式中,商×除数=被除数,据此即可把除法算式改写成乘法算式.
解答:解:(1)因为
÷4=
,
所以
×4=
;
(2)因为
÷
=
,
所以
×
=
.
故答案为:
,4,
,
,
,
.
| 4 |
| 11 |
| 1 |
| 11 |
所以
| 1 |
| 11 |
| 4 |
| 11 |
(2)因为
| 9 |
| 13 |
| 6 |
| 13 |
| 3 |
| 2 |
所以
| 3 |
| 2 |
| 6 |
| 13 |
| 9 |
| 13 |
故答案为:
| 1 |
| 11 |
| 4 |
| 11 |
| 3 |
| 2 |
| 6 |
| 13 |
| 9 |
| 13 |
点评:此题考查乘与除互逆关系的灵活运用,用到的关系式:商×除数=被除数.
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