题目内容
计算
(1)
÷
×
(2)
-
-
+
.
(1)
| 8 |
| 6 |
|
(2)
| 12 |
| 18 |
| 0.5 |
|
(1)原式=
=
=3
;
(2)原式=2
-3
-
+
=
-
|
| 2×9 |
=3
| 2 |
(2)原式=2
| 3 |
| 2 |
| ||
| 2 |
| ||
| 3 |
=
| 7 |
| 3 |
| 3 |
| 7 |
| 2 |
| 2 |
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题目内容
| 8 |
| 6 |
|
| 12 |
| 18 |
| 0.5 |
|
|
| 2×9 |
| 2 |
| 3 |
| 2 |
| ||
| 2 |
| ||
| 3 |
| 7 |
| 3 |
| 3 |
| 7 |
| 2 |
| 2 |