题目内容
(1)
×
-21
(2)(2
-2
+
)+
.
| 50 |
| 8 |
(2)(2
| 27 |
|
| 48 |
| 12 |
(1)原式=
-21
=20-21
=-1.
(2)原式=6
-
+4
+2
=
.
| 0×8 |
=20-21
=-1.
(2)原式=6
| 3 |
| 2 |
| 3 |
| 3 |
| 3 |
| 3 |
=
| 35 |
| 3 |
| 3 |
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题目内容
| 50 |
| 8 |
| 27 |
|
| 48 |
| 12 |
| 0×8 |
| 3 |
| 2 |
| 3 |
| 3 |
| 3 |
| 3 |
| 35 |
| 3 |
| 3 |