计算:16^3/4*(1/2)^2+2lg根号2+1/2lg25+log2(底数)9*log3(底数)4
问题描述:
计算:16^3/4*(1/2)^2+2lg根号2+1/2lg25+log2(底数)9*log3(底数)4
答
16^3/4*(1/2)^2+2lg根号2+1/2lg25+log2(底数)9*log3(底数)4
=8*1/4+lg2+lg5+lg9/lg2*lg4/lg3
=2+(lg2+lg5)+2lg3/lg2*2lg2/lg3
=2+1+4
=7