问题
解答题
计算、(1)
(2)3a
|
答案
(1)
-12
+(π-1 3
)03
=2
-3
+13 3
=5 3
+1;3
(2)3a
•(-12ab 2 3
)(a>0,b>0)6b
=-6a
×3ab 2 3 6b
=-12ab
.2a
计算、(1)
(2)3a
|
(1)
-12
+(π-1 3
)03
=2
-3
+13 3
=5 3
+1;3
(2)3a
•(-12ab 2 3
)(a>0,b>0)6b
=-6a
×3ab 2 3 6b
=-12ab
.2a