(lg5)²+lg2lg50=
计算(lg2)²+lg2lg50+lg25=?
lg4怎么等于1了!有2个式子:lg25+lg2lg50(①式) lg25+lg2lg50+lg4(②式)=lg5^2+
(lg5)²+lg2×lg5+lg2
lg5的平方+lg2lg50+2d的(1+二分之一倍log以2为底5的对数)次方 =
lg25+lg2lg50+(lg2)的平方=?
﹙lg2﹚²+lg2×lg5+lg5=
(lg5)²+lg2×lg50
如何将(lg2)²+(2lg2+lg5)×lg5变成(lg2)2+2lg2lg5+(lg5)²
(lg5)²+lg2×lg50=?
(lg2)²+(lg5)²+2lg2×lg5= A.0 B.1 C.2
(lg2)平方.lg250+(lg5)平方.lg5
(lg5)2+lg2*lg5=?