小四的數學題目(分數的比較)(急!)

2010-05-08 3:03 am
在括號內填上整數,使以下各題的三個分數成為真分數,並依題目指示排列。


( ) ( ) ( )
--- --- --- (由小至大)
15 9 6


( ) ( ) ( )
--- --- --- (由小至大)
8 14 20


( ) ( ) ( )
--- --- --- (由大至小)
12 7 5
更新1:

hildawong2110,為什麼會是這些答案?

回答 (4)

2010-05-08 4:22 am
✔ 最佳答案
(1) (1) (1)
---< --- <--- (由小至大)
15 9 6

(7) (13) (20)
---< --- < --- (由小至大)
8 14 20

(11) (6) (4)
--- > --- > --- (由大至小)
12 7 5
參考: me 自己
2010-05-09 12:55 am
Actually, there are many answers...

(90) (90) (90)
--- --- --- (由小至大) = 6<10<15
15 9 6

(3) (3) (3) 1 1 1
--- --- --- = ---< --- < ---
15 9 6 5 3 2

...(so many answer!)
2010-05-08 7:14 pm
(1) (1) (1)
---< --- <--- (由小至大)
15 9 6

(7) (13) (20)
---< --- < --- (由小至大)
8 14 20

(11) (6) (4)
--- > --- > --- (由大至小)
12 7 5
參考: 自己
2010-05-08 3:50 pm
(1) (1) (1)
--- --- --- (由小至大)
15 9 6


(7 ) (13) (19)
--- --- --- (由小至大)
8 14 20


(11) (6) (4)
--- --- --- (由大至小)
12 7 5
參考: me


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