题目内容
计算:
(1)(2-
)(2+
)+(-1)2010(
-π)0-(
)-1;
(2)(
+
)÷
.
(1)(2-
| 3 |
| 3 |
| 2 |
| 1 |
| 2 |
(2)(
| 48 |
| 1 |
| 4 |
| 6 |
| 27 |
(1)原式=4-3+1×1-2
=4-3+1-2
=0;
(2)原式=(4
+
)÷3
=
+
.
=4-3+1-2
=0;
(2)原式=(4
| 3 |
| 1 |
| 4 |
| 6 |
| 3 |
=
| 4 |
| 3 |
| 1 |
| 12 |
| 2 |
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