题目内容
简便运算
25.3×
|
125×32×25 |
25.3×
+74.7÷4,
=25.3×
+74.7×
,
=(25.3+74.7)×
,
=100×
,
=25;
(2)125×32×25,
=125×8×4×25,
=(125×8)×(4×25),
=100×1000,
=100000.
| 1 |
| 4 |
=25.3×
| 1 |
| 4 |
| 1 |
| 4 |
=(25.3+74.7)×
| 1 |
| 4 |
=100×
| 1 |
| 4 |
=25;
(2)125×32×25,
=125×8×4×25,
=(125×8)×(4×25),
=100×1000,
=100000.
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简便运算
| 25.3× | 125×32×25 |