题目内容
(2011?黔南州)直接写出得数.
×
=
1÷
=
125×0.8=
7×
÷7×
=
| 8 |
| 5 |
| 5 |
| 8 |
1÷
| 3 |
| 4 |
125×0.8=
7×
| 1 |
| 7 |
| 1 |
| 7 |
分析:直接按计算法则和运算顺序计算即可.
解答:解:(1)
×
=1;
(2)1÷
=
;
(3)125×0.8=100;
(4)7×
÷7×
=
.
故答案为:1;
;100;
.
| 8 |
| 5 |
| 5 |
| 8 |
(2)1÷
| 3 |
| 4 |
| 4 |
| 3 |
(3)125×0.8=100;
(4)7×
| 1 |
| 7 |
| 1 |
| 7 |
| 1 |
| 49 |
故答案为:1;
| 4 |
| 3 |
| 1 |
| 49 |
点评:此题考查学生的计算能力,细心计算,并注意简算陷阱.
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