我想問2,3,5的最小公倍數是多少?
回答 (9)
2007-03-27 10:56 pm
✔ 最佳答案
2,3,5 既lcm 係 302 的倍數 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30
3 的倍數3, 6, 9, 12, 15, 18, 21, 24, 27, 30
5 的倍數5, 10, 15, 20, 25, 30
所以係30
2007-03-28 3:33 am
2的倍數：2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60......
3的倍數：3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60......
5的倍數：5,10,15,20,25,30,35,40,45,50,55,60......
2,3,5的公倍數：30,60
2,3,5的最小公倍數是30。
3的倍數：3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60......
5的倍數：5,10,15,20,25,30,35,40,45,50,55,60......
2,3,5的公倍數：30,60
2,3,5的最小公倍數是30。
2007-03-28 2:07 am
30
2 lcm=2,4,6,8,10,12,14,16,18,20,22,24,26,28,30
3 lcm=3,6,9,12,15,18,21,24,27,30
5 lcm=5,10,15,20,25,30
2,3,5 lcm=30
2 lcm=2,4,6,8,10,12,14,16,18,20,22,24,26,28,30
3 lcm=3,6,9,12,15,18,21,24,27,30
5 lcm=5,10,15,20,25,30
2,3,5 lcm=30
2007-03-28 1:52 am
2:2,4,6,8,10,12,14,16,18,20,22,24,26,28,30
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3:3,6,9,12,15,18,21,24,27,30
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5:5,10,15,20,25,30
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2,3,5的L.C.M.:30
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3:3,6,9,12,15,18,21,24,27,30
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5:5,10,15,20,25,30
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2,3,5的L.C.M.:30
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2007-03-27 11:26 pm
2 的倍數 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30
3 的倍數3, 6, 9, 12, 15, 18, 21, 24, 27, 30
5 的倍數5, 10, 15, 20, 25, 30
2、3、5的最小公倍數是30
3 的倍數3, 6, 9, 12, 15, 18, 21, 24, 27, 30
5 的倍數5, 10, 15, 20, 25, 30
2、3、5的最小公倍數是30
2007-03-27 11:05 pm
2,3,5的最小公倍數,即L.C.M:
由於2,3,5都是質數,因此將它們乘在一起:2x3x5=30
因此,2,3,5的L.C.M=30
由於2,3,5都是質數,因此將它們乘在一起:2x3x5=30
因此,2,3,5的L.C.M=30
參考: ME!!
2007-03-27 10:56 pm
2x3x5=30
2007-03-27 10:53 pm
2 x 3 x 5 = 30
收錄日期: 2021-04-12 21:00:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070327000051KK01741