最大公因數(H.C.M.)要交功課呀!!(急急急急~)

2009-03-14 2:31 am

26,39的H.C.M.係??

18,24的H.C.M.係??

回答 (6)

2009-03-14 2:34 am

✔ 最佳答案

26,39的H.C.M.係??
H.C.M.係13

18,24的H.C.M.係??
H.C.M.係15

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2009-03-14 4:22 am

26,39的H.C.M.係??

hcm= 13

因為 26除13 = 2
39 除13 = 3
再除唔盡2,3

18,24的H.C.M.係??

hcm = 6

因為 18除6 = 3
24除6 = 4
再除唔盡3,4

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2009-03-14 3:26 am

My answer is:

26,39的H.C.M.係??

H.C.F.係13

18,24的H.C.M.係??

H.C.F.係15

參考: me

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2009-03-14 3:09 am

26,39的H.C.M.係13

18,24的H.C.M.係15

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2009-03-14 2:37 am

26,39的H.C.M. = 13

26 = 2 x 13, 39 = 3 x 13

HCM = 13

18,24的H.C.M. = 6

18 = 2 x 3 x 3, 24 = 2 x 2 x 2 x 3

HCM = 2 x 3 = 6

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2009-03-14 2:35 am

最大公因數
26,39的H.C.F.
H.C.F.= 1
18,24的H.C.F.
H.C.F.= 1, 2, 3
= 3

2009-03-13 18:36:42 補充：
26,39的H.C.F.
H.C.F.= 13

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