1g5^2+1g8^(2/3)+1g5·1g20+(1g2)^2=

1g5^2+1g8^(2/3)+1g5·1g20+(1g2)^2= 对数计算：1g25+三分之二1g8+1g5·1g20+1g平方21g25+三分之二1g8+1g5·1g20+1g平方2 主要是这个1g5·1g20不知怎么办 1g25+2/3g8+1g5乘1g20+(1g2)的平方 解(1g2)^3+(1g5)^3+1g5*1g8 lg5+lg2*1g5+(1g2)^2 1、拜求这道题的值啊:1g8+1g125-1g2-1g5/1g根号下101g0.1等于,2、log2的25log3的81log5的9等于?3.(log4的3+log8的3）乘以1g2/1g3等于?4.1g8+31g5等于？ 1g500+1g8/5-1/21g64+50(1g2+1g5)的平方 计算(1g5)2+1g2*1g50=多少? 计算2sin180°-1g5-1g2?有急用 1g2+1g5= 1g2+1g5等于 化简求值 (1g2)^3+(1g5)^3+3*1g2*1g5 (1g2)^3+(1g5)^3+31g2*1g5=? 求值:1g8+1g125-1g2-1g5/1g根号下101g0.1等于 对数计算（1g2）²+1g5·lg20 1g5-1g2份之一 计算 (1g5)+21g2-(1g2) 1g5+1g2等于多少.