2(lg根号下2)^2+(lg根号下2)(lg5)+|lg根号下2-(log2底5)(log5底2)|=?2(lg根号下2)^2+(lg根号下2)(lg5)+|lg根号下2-(log2底5)(log5底2)|=?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 19:39:10
![2(lg根号下2)^2+(lg根号下2)(lg5)+|lg根号下2-(log2底5)(log5底2)|=?2(lg根号下2)^2+(lg根号下2)(lg5)+|lg根号下2-(log2底5)(log5底2)|=?](/uploads/image/z/1713189-21-9.jpg?t=2%28lg%E6%A0%B9%E5%8F%B7%E4%B8%8B2%29%5E2%2B%28lg%E6%A0%B9%E5%8F%B7%E4%B8%8B2%29%28lg5%29%2B%7Clg%E6%A0%B9%E5%8F%B7%E4%B8%8B2-%28log2%E5%BA%955%29%28log5%E5%BA%952%29%7C%3D%3F2%28lg%E6%A0%B9%E5%8F%B7%E4%B8%8B2%29%5E2%2B%28lg%E6%A0%B9%E5%8F%B7%E4%B8%8B2%29%28lg5%29%2B%7Clg%E6%A0%B9%E5%8F%B7%E4%B8%8B2-%28log2%E5%BA%955%29%28log5%E5%BA%952%29%7C%3D%EF%BC%9F)
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2(lg根号下2)^2+(lg根号下2)(lg5)+|lg根号下2-(log2底5)(log5底2)|=?2(lg根号下2)^2+(lg根号下2)(lg5)+|lg根号下2-(log2底5)(log5底2)|=?
2(lg根号下2)^2+(lg根号下2)(lg5)+|lg根号下2-(log2底5)(log5底2)|=?
2(lg根号下2)^2+(lg根号下2)(lg5)+|lg根号下2-(log2底5)(log5底2)|=?
2(lg根号下2)^2+(lg根号下2)(lg5)+|lg根号下2-(log2底5)(log5底2)|=?2(lg根号下2)^2+(lg根号下2)(lg5)+|lg根号下2-(log2底5)(log5底2)|=?
2(lg根号下2)^2+(lg根号下2)(lg5)+|lg根号下2-(log2底5)(log5底2)|
=(lg根号下2)×(2lg根号下2+lg5)+|lg根号下2-1|
=(lg根号下2)×(lg2+lg5)+1-lg根号下2
=lg根号下2+1-lg根号下2
=1