1ABCDEx3=ABCDE1 問ABCDE是多少?

👨🏻‍🏫 學術台數學

lokman

2008-05-16 9:12 pm

回答 (4)

2008-05-16 11:18 pm

✔ 最佳答案

1ABCDEx3=ABCDE1

(ABCDE+100000)*3=ABCDE*10+1
7*ABCDE=300000-1
ABCDE=299999/7=42857

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用戶17975

2008-05-22 4:12 am

001回答快而準。

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cliffordchow1225

2008-05-16 9:31 pm

Let x be the number
3(100000+x) = 10x+1
300000+3x = 10x+1
7x = 299999
x = 42857

Therefore ABCDE = 42857

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Terry

2008-05-16 9:15 pm

ABCDE=42857
ABCDE=42857
ABCDE=42857

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