题目内容
1减去
与
的和,所得的差除以
,商是几?
与
的和除他们的差,商是几?
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
(1)[1-(
+
)]÷
,
=[1-1]÷
,
=0÷
,
=0.
答:商是0.
(2)(
-
)÷(
+
),
=0÷1,
=0.
答:商是0.
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
=[1-1]÷
| 1 |
| 2 |
=0÷
| 1 |
| 2 |
=0.
答:商是0.
(2)(
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
=0÷1,
=0.
答:商是0.
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