题目内容
| 计算.(能简算的就简算) 560+62×230÷31 | 3.8-1.9+7.2-8.1 | ||||||||
50.16×
| 6-(
|
(1)560+62×230÷31,
=560+62÷31×230,
=560+2×230,
=560+460,
=1020;
(2)3.8-1.9+7.2-8.1,
=3.8+7.2-(1.9+8.1),
=11-10,
=1;
(3)50.16×
-0.16×
,
=(50.16-0.16)×
,
=50×
,
=8;
(4)6-(
-
)×36,
=6-(
×36-
×36),
=6-18+12,
=0.
=560+62÷31×230,
=560+2×230,
=560+460,
=1020;
(2)3.8-1.9+7.2-8.1,
=3.8+7.2-(1.9+8.1),
=11-10,
=1;
(3)50.16×
| 4 |
| 25 |
| 4 |
| 25 |
=(50.16-0.16)×
| 4 |
| 25 |
=50×
| 4 |
| 25 |
=8;
(4)6-(
| 1 |
| 2 |
| 1 |
| 3 |
=6-(
| 1 |
| 2 |
| 1 |
| 3 |
=6-18+12,
=0.
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