问题
解答题
计算(Ⅰ)log232-log2
(Ⅱ)0.2-2×0.064
|
答案
(1)原式=log2(32÷
×6)=log2256=log228=83 4
(2)原式=(
)-2×(1 5
)64 1000
+(1 3
)25 9
- (-2)4=52×1 2
+4 10
-16=-5 3 13 3
计算(Ⅰ)log232-log2
(Ⅱ)0.2-2×0.064
|
(1)原式=log2(32÷
×6)=log2256=log228=83 4
(2)原式=(
)-2×(1 5
)64 1000
+(1 3
)25 9
- (-2)4=52×1 2
+4 10
-16=-5 3 13 3