计算(lg5)^2+lg2·lg50
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计算(lg5)^2+lg2·lg50
计算(lg5)^2+lg2·lg50
计算(lg5)^2+lg2·lg50
(lg5)^2+lg2·lg50
=(lg5)^2+lg2*lg2*25
=(lg5)^2+lg2*(lg2+lg25)
=(lg5)^2+(lg2)^2+lg2*lg5^2
=(lg5)^2+2lg2lg5+(lg2)^2
=(lg5+lg2)^2
=(lg10)^2
=1
(lg5)^2+lg2·lg50
=lg5*lg5+lg2*lg(5*10)
=lg5*lg5+lg2*(lg5+lg10)
=lg5*lg5+lg2*lg5+lg2
=lg5(lg5+lg2)+lg2
=lg5+lg2
=1
计算(lg5)^2+lg2·lg50
计算(lg2)²+2lg2·lg5+(lg5)²+lg50-lg5求答案,
计算:(lg5)2+lg2*lg50=?
(lg5)^2+lg2*lg50
lg2+lg50+lg5怎样计算
(lg5)^2+lg2·lg50=?求救...
lg2*lg50+lg5*lg20-2lg5*lg2
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计算:(lg2)的平方+lg2*lg5+lg50!
化简 (lg5)^2+(lg2)lg50
(lg5)^2+lg2*lg50 求值
(lg5)^2+lg2×lg50=?
(lg5)^2 + (lg2)*(lg50)=
(lg5)^2+lg2*lg50=
lg50+lg2*lg5+(lg2)^2=
计算 lg5×lg20-lg2×lg50-lg25
lg^2 2+2lg5+lg2·lg50
问道对数题 lg2*lg50+lg20*lg5-2lg5*lg2