[log2]2+log2乘log50+log25

来源：学生作业帮编辑：大师作文网作业帮分类：数学作业时间：2024/11/06 09:31:58

[log2]2+log2*log50+log25
=log2(log2+log50)+log25
=log2(log(2*50))+log25
=2log2+log25
=log2^2+log25
=log(4+25)
=2
背公式loga+logb=logab,nloga=loga^n
可扩展

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