问题
解答题
计算: (1)
|
答案
(1)
=2lg2+lg3 1+
lg0.36+1 2
lg81 3
=lg12 1+lg0.6+lg2
=1lg12 lg12
(2)0.0081
+ (4-1 4
)2 +(3 4
)-8
-16-0.75=0.3+4 3
+1 8
-1 4
=0.551 8
计算: (1)
|
(1)
=2lg2+lg3 1+
lg0.36+1 2
lg81 3
=lg12 1+lg0.6+lg2
=1lg12 lg12
(2)0.0081
+ (4-1 4
)2 +(3 4
)-8
-16-0.75=0.3+4 3
+1 8
-1 4
=0.551 8