题目内容
计算
(1)(2
)0.5+0.1-2+(2
)-
-3π0+
(2)2(lg
)2+lg
•lg5+
.
(1)(2
| 7 |
| 9 |
| 10 |
| 27 |
| 2 |
| 3 |
| 37 |
| 48 |
(2)2(lg
| 2 |
| 2 |
(lg
|
(1)(2
)0.5+0.1-2+(2
)-
-3π0+
=(
)
+(
)-2+(
)-
-3+
=
+100+
-3+
=100
(2)2(lg
)2+lg
•lg5+
| 7 |
| 9 |
| 10 |
| 27 |
| 2 |
| 3 |
| 37 |
| 48 |
=(
| 25 |
| 9 |
| 1 |
| 2 |
| 1 |
| 10 |
| 64 |
| 27 |
| 2 |
| 3 |
| 37 |
| 48 |
=
| 5 |
| 3 |
| 9 |
| 16 |
| 37 |
| 48 |
=100
(2)2(lg
| 2 |
| 2 |
(lg
|
|
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