题目内容
(1)计算:4×2-2+(
-1)0
(2)计算:(
)2+
.
| 7 |
(2)计算:(
| 3n |
| p |
| mn |
| p2 |
(1)原式=4×
+1
=1+1
=2;
(2)原式=
+
=
.
| 1 |
| 4 |
=1+1
=2;
(2)原式=
| 9n2 |
| ρ2 |
| mn |
| ρ2 |
=
| 9n2+mn |
| ρ2 |
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题目内容
| 7 |
| 3n |
| p |
| mn |
| p2 |
| 1 |
| 4 |
| 9n2 |
| ρ2 |
| mn |
| ρ2 |
| 9n2+mn |
| ρ2 |