题目内容
7.5的
与1
的差除以
,商是多少?
| 1 |
| 3 |
| 1 |
| 2 |
| 4 |
| 5 |
(7.5×
-1
)÷
,
=(2.5-1.5)×
,
=1×1.25,
=1.25.
答:商是1.25.
| 1 |
| 3 |
| 1 |
| 2 |
| 4 |
| 5 |
=(2.5-1.5)×
| 5 |
| 4 |
=1×1.25,
=1.25.
答:商是1.25.
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