计算题 (1)(0.25)
(2)2log32-log332+log38-52log53 |
(1)原式=
-(-2)2×(-2)4+0.25
-1
-12
=2
-64+1 2
+1-2
=-2
;125 2
(2)原式=
+log38-log332-32=log34×8-log332-9=-9.log 223
计算题 (1)(0.25)
(2)2log32-log332+log38-52log53 |
(1)原式=
-(-2)2×(-2)4+0.25
-1
-12
=2
-64+1 2
+1-2
=-2
;125 2
(2)原式=
+log38-log332-32=log34×8-log332-9=-9.log 223