关于log数学问题2log 10+log 0.25=? 5 55字是在log后面,因为是小字所以隔了一行
2个回答
2log5 10 +log5 0.25
=log5 10^2 +log5 0.25
=log5 (100*0.25)
=log5 25
=5
相关问题
log10是什么?log 75 - log 3 + log 4=log25+log3-log3+2log2=2log5+
2log5(10)+log5(0.25)=?急用
求(log2 5+log4 0.2)(log5 2+log25 0.5)
高中数学对数计算求值(log2 125+log4 25+log8 5)*(log125 8+log25 4+log5 2
计算题.2log5 10+log5 0.25(5是底数)
(log(2)125+log(2)25+log(8)5)*(log(125)2+log(25)4+log(5)8)
log4^25-2log4^10+log2^9×log3^根号5×log5^2
[log2 (125) +log4(25)+log8(5)][log125(8)+log25(4)+log5(2)
log10(8)-2log10(√2)+log10(25)=?
求:(log2 125+log4 25+log8 5)(log125 8+log25 4+log5 2);