问题
解答题
计算下列各式的值 (1)4x
(2)log535+log
|
答案
(1)∵原式=[4×(-3)÷(-6)]x
+1 4
+1 4
•y1 2
-1 3
=2xy2 3
;1 3
(2)原式=log535-log2
+log550-log5142
=-
+log51 2 35×50 14
=-
+log5531 2
=-
+3=1 2
.5 2
计算下列各式的值 (1)4x
(2)log535+log
|
(1)∵原式=[4×(-3)÷(-6)]x
+1 4
+1 4
•y1 2
-1 3
=2xy2 3
;1 3
(2)原式=log535-log2
+log550-log5142
=-
+log51 2 35×50 14
=-
+log5531 2
=-
+3=1 2
.5 2