题目内容
脱式计算
| ①8160÷12-24×1.05 | ②2.54×20-(88%+9.12) | ③[10
|
①8160÷12-24×1.05,
=680-25.2,
=654.8;
②2.54×20-(88%+9.12),
=2.54×20-10,
=50.8-10,
=40.8;
③[10
-(
+
)]÷
,
=[10
-
]÷
,
=
×16,
=158.
=680-25.2,
=654.8;
②2.54×20-(88%+9.12),
=2.54×20-10,
=50.8-10,
=40.8;
③[10
| 1 |
| 2 |
| 1 |
| 4 |
| 3 |
| 8 |
| 1 |
| 16 |
=[10
| 1 |
| 2 |
| 5 |
| 8 |
| 1 |
| 16 |
=
| 79 |
| 8 |
=158.
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