摘要:18. + 16 -- 0.75 - ()0 (2)lg2lg50 + lg25 - lg5lg20
网址:http://m.1010jiajiao.com/timu_id_561930[举报]
(1)化简与求值:(0.0081)-
-[3(
)0]-1•[81-0.25+(
)-
]-
-10×0.027
;
(2)化简与求值:log2
+log212-
log242-1.
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(2)化简与求值:log2
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