题目内容
口算:
|
|
4-
|
1-
| ||||||||||||||
| 0.8+0.8×99= | 35×
|
24÷
|
| ||||||||||||||
2÷
|
1-
|
分析:利用分数、小数加、减、乘、除四则运算的方法及简便运算进行计算.
解答:解:
+
=
+
=
4-
=3
1-
-
=
0.8+0.8×99=80 35×
= 7
24÷
=64
×
=
2÷
=4 1-
+
=1
(或
)
| 1 |
| 4 |
| 1 |
| 6 |
| 5 |
| 12 |
| 1 |
| 2 |
| 1 |
| 3 |
| 5 |
| 6 |
| 2 |
| 5 |
| 3 |
| 5 |
| 1 |
| 6 |
| 1 |
| 3 |
| 1 |
| 2 |
0.8+0.8×99=80 35×
| 3 |
| 14 |
| 1 |
| 2 |
| 3 |
| 8 |
| 3 |
| 10 |
| 5 |
| 6 |
| 1 |
| 4 |
2÷
| 1 |
| 2 |
| 1 |
| 5 |
| 4 |
| 5 |
| 3 |
| 5 |
| 8 |
| 5 |
点评:考查学生的四则运算的计算能力.
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