1)The H.C.F. of L.C.M. of two numbers are 15 and 600 respectively. If one number is 75 , what is the other number?
2)Peter has $5 more than 70% of what Tom has It Peter has $40, how much has Tom?
3)A.B and C shared a sum of money so that A gets 35% of it and B gets 45% of it , It A gets $8 less than B. Find the sum of money?
請指教數學題(及幫忙正確列式)
2007-12-26 8:41 pm
回答 (1)
2007-12-26 8:56 pm
✔ 最佳答案
(1) 邊度既題目 ? 咁煩75 = 3 x 5 x 5
Let the other number be ( 3 x 5 x k ) , where k is not 3 or 5
This makes H.C.F = 15
Then for L.C.M. = 600
3 x 5 x 5 x k = 600
Hence k = 8
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收錄日期: 2021-04-23 17:39:29
原文連結 [永久失效]:
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