题目内容
用简便方法计算
(598.1×37
+5981×6.26)÷1
+190×
.
(598.1×37
| 2 |
| 5 |
| 13 |
| 17 |
| 17 |
| 30 |
考点:运算定律与简便运算
专题:运算定律及简算
分析:把5981×6.26变式为:598.1×62.6,可据乘法分配律进行计算.
解答:
解:(598.1×37
+5981×6.26)÷1
+190×
=(598.1×37.4+598.1×62.6)÷
+190×
=598.1×(37.4+62.6)×
+190×
=598.1×100×
+190×
=
×(59810+190)
=
×60000
=34000
| 2 |
| 5 |
| 13 |
| 17 |
| 17 |
| 30 |
=(598.1×37.4+598.1×62.6)÷
| 30 |
| 17 |
| 17 |
| 30 |
=598.1×(37.4+62.6)×
| 17 |
| 30 |
| 17 |
| 30 |
=598.1×100×
| 17 |
| 30 |
| 17 |
| 30 |
=
| 17 |
| 30 |
=
| 17 |
| 30 |
=34000
点评:完成本题要注意分析式中数据,运用合适的简便方法计算.
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