lg50+lg2*lg5+(lg2)^2=

来源：学生作业帮助网编辑：作业帮时间：2024/05/06 04:24:06

lg50+lg2*lg5+(lg2)^2=
lg50+lg2*lg5+(lg2)^2=

lg50+lg2*lg5+(lg2)^2=
lg50+lg2*lg5+(lg2)^2
=(lg2)^2+lg2lg5+lg(25*2)
=(lg2)^2+lg2lg5+2lg5+lg2
=lg2(lg+lg5)+2lg5+lg2
=lg2*1+2lg5+lg2
=2(lg5+lg2)
=2lg10
=2

lg50+lg2*lg5+(lg2)^2
=lg5*10+lg2*(lg5+lg2)
=lg5 +1 + lg2*lg(2*5)
=lg5+lg2+1
=lg(2*5) +1
=1+1=2

（lg5)^2+lg2*lg50 lg2*lg50+lg5*lg20-2lg5*lg2 lg50+lg2*lg5+(lg2)^2= 化简 (lg5)^2+(lg2)lg50 (lg5)^2+lg2*lg50 求值 (lg5)^2+lg2×lg50=? (lg5)^2 + (lg2)*(lg50)= (lg5)^2+lg2*lg50= （lg5)²+lg2×lg50 问道对数题 lg2*lg50+lg20*lg5-2lg5*lg2 计算（lg5)^2+lg2·lg50 1.（lg5）2次方+lg2*lg50 计算:(lg5)2+lg2*lg50=? lg50+lg2*lg5+lg²2=? (lg5)^2+lg2·lg50=?求救... 计算:(lg2)的平方+lg2*lg5+lg50! lg5²+lg2×lg50+(lg2)² lg5²+lg2*lg50化简