问题
解答题
计算:(1)log3
(2)(0.25)
|
答案
(1)原式=log33
+lg(25×4)+2+1=3 2
+lg102+3=3 2
+2+3=3 2
,13 2
(2)原式=0.5-(-2)2×(-2)4+
+1-2
=-2
.125 2
计算:(1)log3
(2)(0.25)
|
(1)原式=log33
+lg(25×4)+2+1=3 2
+lg102+3=3 2
+2+3=3 2
,13 2
(2)原式=0.5-(-2)2×(-2)4+
+1-2
=-2
.125 2