功課唔識!!急

2007-11-27 1:11 am
1.化6 1/4%(6又4分之1)為分數

2.化17/25(25之17)為百分數

回答 (2)

2007-11-27 1:41 am
✔ 最佳答案
(1)
[6+(1/4)]%
=(25/4)%
=(25/4)/100
=25/400
=1/16
(2) 17/25
=(17/25)x100%
=68%
2007-11-27 7:18 pm
1. (6 1/4)/100
=(25/4)/100
=(25/4) (division sign) 100
=(25/4) x 1/100
=1/4 x 1/4
=1/16 //

2. Let answer be x.
17/25= x/100
(17/25)(100)=x
x=68 //
參考: myself


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