题目内容
| 2 |
| 5 |
| 3 |
| 4 |
分析:首先算出
除以4的商,再乘以
,求得积是多少,由此列式计算即可.
| 2 |
| 5 |
| 3 |
| 4 |
解答:解:
÷4×
=
×
×
=
;
答:结果是
.
| 2 |
| 5 |
| 3 |
| 4 |
=
| 2 |
| 5 |
| 1 |
| 4 |
| 3 |
| 4 |
=
| 3 |
| 40 |
答:结果是
| 3 |
| 40 |
点评:列式计算抓住叙述的运算顺序,正确选择运算符号列式计算即可.
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题目内容
| 2 |
| 5 |
| 3 |
| 4 |
| 2 |
| 5 |
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| 4 |
| 2 |
| 5 |
| 3 |
| 4 |
| 2 |
| 5 |
| 1 |
| 4 |
| 3 |
| 4 |
| 3 |
| 40 |
| 3 |
| 40 |