lg25+lg2*lg50+(lg2)^2算到后面(lg2)^2后面的^2到下一步怎么就不见了.去哪了?
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lg25+lg2*lg50+(lg2)^2算到后面(lg2)^2后面的^2到下一步怎么就不见了.去哪了?
![lg25+lg2*lg50+(lg2)^2算到后面(lg2)^2后面的^2到下一步怎么就不见了.去哪了?](/uploads/image/z/44556-60-6.jpg?t=lg25%2Blg2%2Alg50%2B%28lg2%29%5E2%E7%AE%97%E5%88%B0%E5%90%8E%E9%9D%A2%EF%BC%88lg2%29%5E2%E5%90%8E%E9%9D%A2%E7%9A%84%5E2%E5%88%B0%E4%B8%8B%E4%B8%80%E6%AD%A5%E6%80%8E%E4%B9%88%E5%B0%B1%E4%B8%8D%E8%A7%81%E4%BA%86.%E5%8E%BB%E5%93%AA%E4%BA%86%3F)
lg25+lg2*lg50+(lg2)^2
后面提取公因数
=2lg5+lg2*(lg50+lg2)
=2lg5+lg2*lg(50*2)
=2lg5+2lg2
=2(lg5+lg2)
=2
后面提取公因数
=2lg5+lg2*(lg50+lg2)
=2lg5+lg2*lg(50*2)
=2lg5+2lg2
=2(lg5+lg2)
=2
lg25+lg2*lg50+(lg2)^2算到后面(lg2)^2后面的^2到下一步怎么就不见了.去哪了?
(lg2)^2+lg2×lg50+lg25
lg25+lg2*lg50+(lg2)^2+1=?
计算lg25+lg2*lg50+(lg2)^2
求值:lg25 lg2*lg50 (lg2)^2
计算lg25+lg2+lg50+(lg2)^2
1.(lg2)^2+lg2*lg50+lg25
计算lg25+lg50+lg2*lg500+(lg2)^2
计算题 (lg2)^2+lg2×lg50+lg25
(lg2)^2 + lg2 x lg50 + lg25
(lg2)^2+(lg2)*(lg50)+lg25的值为
2lg25+lg2*lg50+(lg2)2[(lg2)2是lg2的平方]十万火急,要有计算过程