求值1/5(lg32+log4 16+6lg1/2)+1/5lg1/5

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求值1/5(lg32+log4 16+6lg1/2)+1/5lg1/5
求值1/5(lg32+log4 16+6lg1/2)+1/5lg1/5

求值1/5(lg32+log4 16+6lg1/2)+1/5lg1/5
1/5(lg32+log4 16+6lg1/2)+1/5lg1/5
=1/5(lg32+2+6lg1/2)+1/5lg1/5
=1/5(2+lg1/2)+1/5lg1/5
=1/5(lg100+lg1/2)+1/5lg1/5
=1/5lg50+1/5lg1/5
=1/5乘1
=1/5