數學方程........

2006-11-08 9:55 pm

我想問數學方程--
e.g. y x 25 可以寫成25y,
咁y x 25% 可唔可以寫成25%y 呀??

回答 (7)

2006-11-09 1:36 am

✔ 最佳答案

25y=yx25
25%y=yx25%

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2006-11-09 6:01 am

It is ok but
y x 25%

=y x 25/100

=0.25y

is better!!

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2006-11-09 5:06 am

可以
y x 25% 可以寫成25%y

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2006-11-08 10:31 pm

可以呀，我考試咁寫都唔扣ｍａｒｋｓ，我間ｓｃｈｏｏｌ好嚴嫁，都唔扣，姐係得啦～～

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2006-11-08 10:01 pm

=y x 25%

=y x 25/100

=0.25y

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2006-11-08 9:58 pm

i think 0.25y is better...

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2006-11-08 9:58 pm

yx 25% 可以寫成25%y !

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