题目内容
计算:
|
| 18×
| ||||||||||||||||
|
| 2000×
|
考点:分数的四则混合运算
专题:运算顺序及法则
分析:都是乘法运算,按从左到右的运算顺序计算即可.
解答:
=
×4
=
×
×
=
×
=
18×
×
、
=15×
=5
×
×
=
×
=
×
×
=
×
=
2000×
×
=1200×
=400
解:
|
| 4 |
| 3 |
=
| 16 |
| 3 |
| 5 |
| 6 |
| 2 |
| 5 |
| 7 |
| 8 |
=
| 1 |
| 3 |
| 7 |
| 8 |
=
| 7 |
| 24 |
18×
| 5 |
| 6 |
| 1 |
| 3 |
=15×
| 1 |
| 3 |
=5
| 3 |
| 4 |
| 5 |
| 9 |
| 3 |
| 10 |
=
| 5 |
| 12 |
| 3 |
| 10 |
=
| 1 |
| 8 |
| 8 |
| 5 |
| 3 |
| 8 |
| 5 |
| 9 |
=
| 3 |
| 5 |
| 5 |
| 9 |
=
| 1 |
| 3 |
2000×
| 3 |
| 5 |
| 1 |
| 3 |
=1200×
| 1 |
| 3 |
=400
点评:本题考查了学生对分数四则混合运题目进行计算的能力.
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