题目内容
计算:
(1)(2
)
-(-9.6)0-(3
)-
+(1.5)-2
(2)2log5125+3log264-8logπ1
(1)(2
| 1 |
| 4 |
| 1 |
| 2 |
| 3 |
| 8 |
| 2 |
| 3 |
(2)2log5125+3log264-8logπ1
(1)(2
)
-(-9.6)0-(3
)-
+(1.5)-2
=(
)
-1 -(
)-
+(
)-2
=
-1-
+
=
(2)2log5125+3log264-8logπ1
=2log553+3log226-0
=6+18-0
=24
| 1 |
| 4 |
| 1 |
| 2 |
| 3 |
| 8 |
| 2 |
| 3 |
=(
| 9 |
| 4 |
| 1 |
| 2 |
| 27 |
| 8 |
| 2 |
| 3 |
| 3 |
| 2 |
=
| 3 |
| 2 |
| 4 |
| 9 |
| 4 |
| 9 |
=
| 1 |
| 2 |
(2)2log5125+3log264-8logπ1
=2log553+3log226-0
=6+18-0
=24
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