计算:(lg5)2+lg2*lg50=?
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计算:(lg5)2+lg2*lg50=?
(lg5)^2+lg2×lg50=?
(lg5)^2 + (lg2)*(lg50)=
(lg5)^2+lg2*lg50=
lg50+lg2*lg5+(lg2)^2=
计算(lg5)^2+lg2·lg50
(lg5)^2+lg2*lg50
lg2+lg50+lg5怎样计算
lg50+lg2*lg5+lg²2=?
(lg5)^2+lg2·lg50=?求救...
lg2*lg50+lg5*lg20-2lg5*lg2
计算:(lg2)的平方+lg2*lg5+lg50!
计算(lg2)²+2lg2·lg5+(lg5)²+lg50-lg5求答案,
(lg5)²+lg2*lg50=?
化简 (lg5)^2+(lg2)lg50
(lg5)^2+lg2*lg50 求值
计算 lg5×lg20-lg2×lg50-lg25
计算lg25+lg2*lg50+(lg2)^2答案是这么写的 =(lg2)^2+(1+lg5)*lg2+lg5^2=(lg2+lg5+1)lg2+2lg5=(1+1)lg2+2lg5=2(lg2+lg5)=2为什么算下来成了(1+lg5)lg2