(lg2)的2次方+lg2×lg5+lg50等于多少
1个回答
(lg2)的2次方+lg2×lg5+lg50
=lg2(lg2+lg5)+lg50
=lg2xlg10+lg50
=lg2+lg50
=lg100
=2
相关问题
1.(lg5)2次方+lg2*lg50
lg5lg20-lg2lg50-lg25等于多少
2lg2×﹙lg2+lg5﹚+2lg5为什么等于2lg2+2lg5
lg2的平方+lg2lg50+lg25 等于多少
化简 lg2×lg50+lg25-lg5×lg20
(lg2)^2+lg2×lg50+lg25
1.lg²5+lg2×lg5+lg2 2.(lg2)³ +(lg 5)³ +3lg 2×l
lg2*lg50 + lg20*lg5 - 2lg5*lg2=?
(lg2)³+3lg2*lg5+(lg5)³等于多少
(lg)^2+lg2*lg25+(lg5)^2等于多少?