题目内容
计算:
(1)2
-2
+3
;
(2)
×
÷
.
(1)2
| 12 |
| 3 |
| 48 |
(2)
| 27 |
| 50 |
| 6 |
(1)原式=4
-2
+12
=14
;
(2)原式=3
×5
÷
=15
÷
=15.
| 3 |
| 3 |
| 3 |
| 3 |
(2)原式=3
| 3 |
| 2 |
| 6 |
| 6 |
| 6 |
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题目内容
| 12 |
| 3 |
| 48 |
| 27 |
| 50 |
| 6 |
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |
| 2 |
| 6 |
| 6 |
| 6 |