题目内容
计算:
(1)|-2|+
+(π-1)0-4×
;
(2)
÷
-
×
+
.
(1)|-2|+
| 8 |
| ||
| 2 |
(2)
| 48 |
| 3 |
|
| 12 |
| 24 |
(1)原式=2+2
+1-2
=3;
(2)原式=
-
+2
=4-
+2
=4+
.
| 2 |
| 2 |
=3;
(2)原式=
| 48÷3 |
|
| 6 |
=4-
| 6 |
| 6 |
=4+
| 6 |
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题目内容
| 8 |
| ||
| 2 |
| 48 |
| 3 |
|
| 12 |
| 24 |
| 2 |
| 2 |
| 48÷3 |
|
| 6 |
| 6 |
| 6 |
| 6 |