题目内容
脱式计算:(能简算要简算)
| 0.4×5÷0.4×5 | 8×25×125×40 | (
|
(1)0.4×5÷0.4×5,
=2÷0.4×5,
=5×5,
=25;
(2)8×25×125×40,
=(8×125)×(25×40),
=1000×1000,
=1000000;
(3)(
+
)-
,
=
+
-
,
=
+(
-
),
=
+0,
=
.
=2÷0.4×5,
=5×5,
=25;
(2)8×25×125×40,
=(8×125)×(25×40),
=1000×1000,
=1000000;
(3)(
| 1 |
| 4 |
| 14 |
| 15 |
| 14 |
| 15 |
=
| 1 |
| 4 |
| 14 |
| 15 |
| 14 |
| 15 |
=
| 1 |
| 4 |
| 14 |
| 15 |
| 14 |
| 15 |
=
| 1 |
| 4 |
=
| 1 |
| 4 |
练习册系列答案
相关题目