题目内容
计算:(1)
÷
×
(2)
+6
-2x
| 12 |
| 6 |
|
(2)
| 2 |
| 3 |
| 9x |
|
|
(1)原式=
=
=3
;
(2)原式=
•3
+6•
-2x
=2
+3
-2
=3
.
12÷6×
|
| 27 |
| 3 |
(2)原式=
| 2 |
| 3 |
| x |
| ||
| 2 |
| ||
| x |
=2
| x |
| x |
| x |
=3
| x |
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题目内容
| 12 |
| 6 |
|
| 2 |
| 3 |
| 9x |
|
|
12÷6×
|
| 27 |
| 3 |
| 2 |
| 3 |
| x |
| ||
| 2 |
| ||
| x |
| x |
| x |
| x |
| x |