° .:｡|! [急急急 ]ﾟ :｡ MATHS..

2007-07-10 2:13 am

1) x+y+x+y+x+y=????

thx~~~

回答 (6)

2007-07-10 2:19 am

✔ 最佳答案

x+y+x+y+x+y=(x+x+x)+(y+y+y)=3x+3y (Simplification)

x+y+x+y+x+y=(x+x+x)+(y+y+y)=3x+3y=3(x+y) (Factorization)

參考: myself

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2007-07-11 2:25 am

x+y+x+y+x+y= 3x+3y

參考: 我自己

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2007-07-10 3:48 am

x+y+x+y+x+y
=x+x+x+y+y+y
=3x+3y
/=3(x+y)

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2007-07-10 2:27 am

x+y+x+y+x+y=3(x+y)
or
x+y+x+y+x+y=3x+3y

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2007-07-10 2:17 am

x+y+x+y+x+y
=3x+3y
=3(x+y)

參考: myself

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2007-07-10 2:16 am

x+y+x+y+x+y=3x+3y=3(x+y)

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