题目内容
1
×
=
×
=4
÷
-
.
| 1 |
| 3 |
| 3 |
| 26 |
| 3 |
| 26 |
| 2 |
| 13 |
| 143 |
| 5 |
| 143 |
| 5 |
| 2 |
| 5 |
4
| 2 |
| 5 |
4
=1| 2 |
| 5 |
| 1 |
| 2 |
| 1 |
| 2 |
分析:本题根据乘法除法的互逆关系计算填空即可.
解答:解:
÷1
=
,
4
÷
=
,
4
÷(1
-
)
=4
÷1
=4
.
即1
×
=
×
=4
÷4
=1
-
.
故答案为:
、
、4
.
| 2 |
| 13 |
| 1 |
| 3 |
| 3 |
| 26 |
4
| 2 |
| 5 |
| 2 |
| 13 |
| 143 |
| 5 |
4
| 2 |
| 5 |
| 1 |
| 2 |
| 1 |
| 2 |
=4
| 2 |
| 5 |
=4
| 2 |
| 5 |
即1
| 1 |
| 3 |
| 3 |
| 26 |
| 2 |
| 13 |
| 143 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 1 |
| 2 |
| 1 |
| 2 |
故答案为:
| 3 |
| 26 |
| 143 |
| 5 |
| 2 |
| 5 |
点评:根据乘法除法的互逆关系可得:积÷其中一个因数=另一个因数,被除数÷商=除数.
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