题目内容
简便运算.
| 0.25×32×12.5% | 3.7×0.32+3.2×0.63 | (
|
(1)0.25×32×12.5%,
=(0.25×4)×(8×0.125),
=1×1,
=1;
(2)3.7×0.32+3.2×0.63,
=3.7×0.32+0.32×6.3,
=(3.7+6.3)×0.32,
=10×0.32,
=3.2;
(3)(
+
-
)÷
,
=
×16+
×16-
×16,
=12+10-8,
=14.
=(0.25×4)×(8×0.125),
=1×1,
=1;
(2)3.7×0.32+3.2×0.63,
=3.7×0.32+0.32×6.3,
=(3.7+6.3)×0.32,
=10×0.32,
=3.2;
(3)(
| 3 |
| 4 |
| 5 |
| 8 |
| 1 |
| 2 |
| 1 |
| 16 |
=
| 3 |
| 4 |
| 5 |
| 8 |
| 1 |
| 2 |
=12+10-8,
=14.
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