问题:
(1)计算: 0.008-
1
3
+81
1
2
+log
2
1
16
;
(2)解方程: lgx•lg
x
100
=3.
(1)计算: 0.008-
+81
+log
;
(2)解方程: lgx•lg
=3.
1 |
3 |
1 |
2 |
2 |
|
(2)解方程: lgx•lg
x |
100 |
参考答案: