题目内容
脱式计算.
0.6+32×0.25-6
21×(1-
)÷
.
0.6+32×0.25-6
21×(1-
| 3 |
| 7 |
| 3 |
| 16 |
分析:依据四则混合运算的运算顺序计算解答.
解答:解:0.6+32×0.25-6,
=0.6+8-6,
=8.6-6,
=2.6;
21×(1-
)÷
,
=21×
÷
,
=12×
,
=64.
=0.6+8-6,
=8.6-6,
=2.6;
21×(1-
| 3 |
| 7 |
| 3 |
| 16 |
=21×
| 4 |
| 7 |
| 3 |
| 16 |
=12×
| 16 |
| 3 |
=64.
点评:本题主要考查四则混合运算的计算能力.
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