题目内容
4减去
的差乘
,积是多少?
| 1 |
| 4 |
| 3 |
| 5 |
分析:由题意先求“差”是多少,再乘
求积是多少.
| 3 |
| 5 |
解答:解:(4-
)×
,
=
×
,
=
;
答:积是
.
| 1 |
| 4 |
| 3 |
| 5 |
=
| 15 |
| 4 |
| 3 |
| 5 |
=
| 9 |
| 4 |
答:积是
| 9 |
| 4 |
点评:此题关键要弄清是先算什么,并注意加小括号.
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