未知數1題

2007-07-16 7:39 am
(y+1.5y)2分1=750 幫我計左佢!!!
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回答 (4)

2007-07-16 7:43 am
✔ 最佳答案
(y + 1.5y) x 1/2 =750

(2.5y) x 1/2 = 750

1.25y = 750

y = 750 / 1.25

y = 600

希望幫到你
2007-07-16 5:44 pm
(y+1.5y)/2 = 750
3.5y = 1500
y = 428 又 4/7

2007-07-16 09:45:23 補充:
應該係2.5 y = 1500 y = 600
2007-07-16 7:47 am
(y+1.5y)X1/2 = 750
2.5y X 0.5 = 750
1.25y =750
y = (750/1.25)
y = 600

Hope can help you.
參考: me
2007-07-16 7:42 am
(y+1.5y)2分1=750
2.5y x 0.5 =750
1.25y=750
y=600
參考: 自己計


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