题目内容
| 计算下面各题(能简算的要简算): (
|
101×82 | 1.56÷0.3×0.16 | 125×0.32×25. |
(1)(
-
)÷
,
=
÷
,
=
;
(2)101×82,
=(100+1)×82,
=100×82+1×82,
=8200+82,
=8282;
(3)1.56÷0.3×0.16,
=5.2×0.16,
=0.832;
(4)125×0.32×25,
=125×0.8×0.4×25,
=(125×0.8)×(0.4×25),
=100×10,
=1000.
| 7 |
| 16 |
| 1 |
| 4 |
| 1 |
| 3 |
=
| 3 |
| 16 |
| 1 |
| 3 |
=
| 9 |
| 16 |
(2)101×82,
=(100+1)×82,
=100×82+1×82,
=8200+82,
=8282;
(3)1.56÷0.3×0.16,
=5.2×0.16,
=0.832;
(4)125×0.32×25,
=125×0.8×0.4×25,
=(125×0.8)×(0.4×25),
=100×10,
=1000.
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