题目内容
计算:
-
×
+2×
=______;计算:
-4
+
=______.
8 |
3 |
6 |
| ||
2 |
3 | 27 |
|
8 |
(1)
-
×
+2×
=2
-3
+
=3
-3
=0.
(2)
-4
+
=3-2
+2
=3.
故答案为:0,3.
8 |
3 |
6 |
| ||
2 |
=2
2 |
2 |
2 |
=3
2 |
2 |
=0.
(2)
3 | 27 |
|
8 |
=3-2
2 |
2 |
=3.
故答案为:0,3.
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