標題:
15點,問最小公倍數(L.C.M.)
發問:
8的倍數:__________________________ 20的倍數:______________________________ 9的倍數:__________________________ 15的倍數:___________________________________
最佳解答:
8:8,16,24,32,40,48,56,64,72,80,88,96,104,112,120,128,136,144,152, 160,168,176,184,192,200,208,216,224,232,240,248,256,264,272,280, 288,296,304,312,320,328,336,344,352,360 20:20,40,60,80,100,120,140,160,180,200,220,240,260,280,300,320,340, 360 9:9,18,27,36,45,54,63,72,81,90,99,108,117,126,135,144,153,162,171, 180,189,198,207,216,225,234,243,252,261,270,279,288,297,306,315, 324,333,342,351,360 15:15,30,45,60,75,90,105,120,135,150,165,180,195,210,225,240,255, 270,285,300,315,330,345,360 ∴最小公倍數(L.C.M.):360
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其他解答:
you want L.C.M. or 公倍數?? 2010-11-29 22:22:31 補充： 8 的倍數:8,16,24,32,40... 20的倍數:20,40,60,80... 9 的倍數:9,18,27,36... 15的倍數:15,30,45,60,75... LCM:1080 2010-11-29 22:31:20 補充： sorry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! L.C.M:360 8x9=72 72x5=360 360/20=18 360/15=25|||||8的倍數:8 和 16 20的倍數：20 9的倍數：9和18 15的倍數：15A215E4A2B88AAE64
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