This guy is dumb. That's why he can't get real work and is teaching helpless students the wrong way to do math.
flair2001slick 2 years ago
why put 9 into it? complicated as hell. Why not do it the simple way?
5* sq. root of a - 2* sq. root of a = 3 square root of a.
This sum doesn't require 1:32 to do it but merely a blink.
frankwong1983 2 years ago
It's meaningless to put a = 9 in this case.
lawchihei 2 years ago 2
就算真係要代, 代1都好吖 :o)
wadeelee 2 years ago
妖on9......
limhoho2008 2 years ago 2
中2都識
iam197 2 years ago 2
見唔見有common factor 可以抽出黎呀大學畢業生?
charlesw18 2 years ago 7
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This guy is dumb. That's why he can't get real work and is teaching helpless students the wrong way to do math.
flair2001slick 2 years ago
why put 9 into it? complicated as hell. Why not do it the simple way?
5* sq. root of a - 2* sq. root of a = 3 square root of a.
This sum doesn't require 1:32 to do it but merely a blink.
frankwong1983 2 years ago
It's meaningless to put a = 9 in this case.
lawchihei 2 years ago 2
就算真係要代, 代1都好吖 :o)
wadeelee 2 years ago
妖on9......
limhoho2008 2 years ago 2
中2都識
iam197 2 years ago 2
見唔見有common factor 可以抽出黎呀大學畢業生?
charlesw18 2 years ago 7