2014-12-08
展开全部
=3/2-1-9/4+9/4=1/2
=log3^2 (27^(1/4)/3)+lg(2*10)+log10^2 (5^2)+2
=1/2*1/4 log3 (27)-1/2log3 (3)+lg2+lg10+1/2*2*lg5+2
=1/8*3-1/2+lg2+1+lg5+2
=23/8+lg(2*5)
=31/8
=log3^2 (27^(1/4)/3)+lg(2*10)+log10^2 (5^2)+2
=1/2*1/4 log3 (27)-1/2log3 (3)+lg2+lg10+1/2*2*lg5+2
=1/8*3-1/2+lg2+1+lg5+2
=23/8+lg(2*5)
=31/8
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