题目内容
| 计算: 4×25+24×5= | 125×32= |
| ||||||
| 4π×25%= |
|
(1)4×25+24×5,
=100+120,
=220;
(2)125×32,
=(125×8)×4,
=1000×4,
=4000;
(3)
-
,
=
-
,
=
;
(4)
+75%,
=50%+75%,
=125%,
=1.25;
(5)4π×25%,
=4π×
,
=π;
(6)
+
×32,
=
+28,
=28
.
=100+120,
=220;
(2)125×32,
=(125×8)×4,
=1000×4,
=4000;
(3)
| 3 |
| 4 |
| 5 |
| 8 |
=
| 6 |
| 8 |
| 5 |
| 8 |
=
| 1 |
| 8 |
(4)
| 1 |
| 2 |
=50%+75%,
=125%,
=1.25;
(5)4π×25%,
=4π×
| 1 |
| 4 |
=π;
(6)
| 1 |
| 8 |
| 7 |
| 8 |
=
| 1 |
| 8 |
=28
| 1 |
| 8 |
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