16,18,24的第三個公倍數
回答 (2)
2010-12-11 10:53 am
✔ 最佳答案
16 = 2x2x2x218 = 2 x3x3
24 = 2x2x2 x3
------------------------------
LCM = 2x2x2x2x3x3 = 144
第一個公倍數是144
之後就會再循環一次, 重新由開始
所以, 第二個公倍數是 +144 = 288
而第三個亦一樣 +144 = 432
所以,
16,18,24的第三個公倍數 = 432
2010-12-11 8:12 pm
16:16,32,48,64,80,96,112,128,144,160,176,192,208,224,240,256,272,
288,304,320,336,352,368,384,400,416,432
18:18,36,54,72,90,108,126,144,162,180,198,216,234,252,270,288,306,
324,342,360,378,396,414,432
24:24,48,72,96,120,144,168,192,216,240,264,288,312,336,360,384,
408,432
∴第三個公倍數:432
288,304,320,336,352,368,384,400,416,432
18:18,36,54,72,90,108,126,144,162,180,198,216,234,252,270,288,306,
324,342,360,378,396,414,432
24:24,48,72,96,120,144,168,192,216,240,264,288,312,336,360,384,
408,432
∴第三個公倍數:432
收錄日期: 2021-04-19 23:46:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101211000051KK00034