2的负1次方×64的次方＋lg2×lg2500＋2（lg5)－4的log次方＋log(log(lg(lne))) =1/2*4^(3*2/3)+lg2*(lg25*100)+2(lg5)^2-2^(2*log2*3)+log2 (log3 lg 1000) =1/2*4^2+lg2*(lg25+lg100)+2(lg5)^2-[2^(log2 3)]^2+log2...