题目内容
列式计算
①
与
的差除它们的和,商是多少?
②
与
的比等于6与一个数的比,这个数是多少?
①
| 1 |
| 7 |
| 11 |
| 7 |
②
| 2 |
| 9 |
| 1 |
| 6 |
①(
| 1 |
| 7 |
| 11 |
| 7 |
| 11 |
| 7 |
| 1 |
| 7 |
=
| 12 |
| 7 |
| 10 |
| 7 |
=1.2.
答:商是1.2.
②
| 1 |
| 6 |
| 2 |
| 9 |
=1÷
| 2 |
| 9 |
=
| 9 |
| 2 |
答:这个数是
| 9 |
| 2 |
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题目内容
| 1 |
| 7 |
| 11 |
| 7 |
| 2 |
| 9 |
| 1 |
| 6 |
| 1 |
| 7 |
| 11 |
| 7 |
| 11 |
| 7 |
| 1 |
| 7 |
| 12 |
| 7 |
| 10 |
| 7 |
| 1 |
| 6 |
| 2 |
| 9 |
| 2 |
| 9 |
| 9 |
| 2 |
| 9 |
| 2 |