lg2*lg50+lg25-lg5*lg20需要过程,谢谢~
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lg2*lg50+lg25-lg5*lg20需要过程,谢谢~
lg2*lg50+lg25-lg5*lg20
需要过程,谢谢~
lg2*lg50+lg25-lg5*lg20需要过程,谢谢~
lg2*lg50+lg25-lg5*lg20
=lg2(lg5+lg10)+lg25-lg5(lg2+lg10)
=lg2(lg5+1)+lg25-lg5(lg2+1)
=lg2lg5+lg2+lg25-lg2lg5-lg5
=lg2+lg25-lg5
=lg(2×25÷5)
=lg10
=1
计算 lg5×lg20-lg2×lg50-lg25
lg5 X lg20 - lg2 X lg50 - lg25
化简 lg2×lg50+lg25-lg5×lg20
lg25+lg2*lg50+lg^2 2=?
lg25+lg2*lg50+lg平方2
lg50+lg2*lg5+lg²2=?
lg2+lg2.lg50+lg25
lg2*lg50+lg25-lg5*lg20需要过程,谢谢~
高一对数计算lg21*lg50+lg25-lg51*lg20=lg2*lg50+lg25-lg5*lg20=
lg25+lg2*lg50+lg4
(lg^2)^2+lg^2*lg^50+lg^25=?(lg2)^2+lg2*lg50+lg25=?
(lg2)^2+lg2×lg50+lg25
lg²2+lg50+lg2*lg5怎么解答(步奏
lg^2 2+2lg5+lg2·lg50
(lg5)^2+lg2*lg50
(lg5)²+lg2×lg50
(lg)的平方+lg2*lg50= (lg5)的平方+lg2*lg50
(lg)^2+lg2*lg25+(lg5)^2等于多少?