(lg2)^2+(lg2)*(lg50)+lg25的值为

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(lg2)^2+(lg2)*(lg50)+lg25的值为
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(lg2)^2+(lg2)*(lg50)+lg25的值为
(lg2)^2+(lg2)*(lg50)+lg25的值为

(lg2)^2+(lg2)*(lg50)+lg25的值为
=(lg2)^2+(lg2)*(lg5*10)+lg5^2
=(lg2)^2+(lg2)*(lg5+1)+2lg5
=(lg2)^2+(lg2)*(lg5)+lg2+2lg5
=(lg2)(lg2+lg5)+(lg2+lg5)+lg5
=lg2*1+1+lg5
=(lg2+lg5)+1
=1+1
=2

(lg2)^2+lg2×lg50+lg25 (lg50)^2+lg2*lg50^2+(lg2)^2 （lg5)^2+lg2*lg50 lg25+lg2·lg50+(lg2)^2=? (lg2)^2 + lg2 x lg50 + lg25 lg50+lg2*lg5+(lg2)^2= lg25+lg2*lg50+(lg2)^2怎么计算, lg25+lg2*lg50+(lg2)^2+1=? 计算lg25+lg50+lg2*lg500+(lg2)^2 计算lg25+lg2+lg50+(lg2)^2 lg2*lg50+lg5*lg20-2lg5*lg2 计算题 (lg2)^2+lg2×lg50+lg25 lg25+lg2*lg50+（lg2）2 lg2+lg2.lg50+lg25 化简 (lg5)^2+(lg2)lg50 (lg5)^2+lg2*lg50 求值 (lg5)^2+lg2×lg50=? (lg5)^2 + (lg2)*(lg50)=