计算: (1)log27/48+log212-1/2log242-1 (2)0.027 −1/3-(-1/6)-2+2560.75+(1/3−1)0-3-1.
计算:
(1)log
2+log
212-
log
242-1
(2)0.027
−-(-
)
-2+256
0.75+(
)
0-3
-1.
数学人气:489 ℃时间:2019-10-17 07:50:18
优质解答
(1)log
2+log
212-
log
242-1
=
log2(×12××)=
log22−=-
.
(2)0.027
−-(-
)
-2+256
0.75+(
)
0-3
-1=0.3
-1-36+64+1-
=32.
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