题目内容
计算.
2÷
+3
1200÷
-500.
2÷
| 1 |
| 4 |
1200÷
| 3 |
| 5 |
(1)2÷
+3,
=2×4+3,
=8+3,
=11;
(2)1200÷
-500,
=1200×
-500,
=2000-500,
=1500.
| 1 |
| 4 |
=2×4+3,
=8+3,
=11;
(2)1200÷
| 3 |
| 5 |
=1200×
| 5 |
| 3 |
=2000-500,
=1500.
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