问题 解答题
计算:
(1)(2
1
4
)
1
2
-(-9.6)0-(3
3
8
)-
2
3
+(1.5)-2

(2)2log5125+3log264-8logπ1
答案

(1)(2

1
4
)
1
2
-(-9.6)0-(3
3
8
)
-
2
3
+(1.5)-2

=(

9
4
)
1
2
-1 -(
27
8
)
-
2
3
+(
3
2
)
-2

=

3
2
-1-
4
9
+
4
9

=

1
2

(2)2log5125+3log264-8logπ1

=2log553+3log226-0

=6+18-0

=24

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