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標題:
升中一數學難題
發問:
How many times of H.C.F. of 24 and 36 is their L.C.M?
最佳解答:
2 24 36 2 12 18 3 6 9 2 3 L.C.M.= 2*2*2*3*3 =8*9 =72 H.C.F.= 2*2*3 =4*3 =12 L.C.M. 2*2*2*3*3 --------- = ------------------- = 6 H.C.F. 2*2*3 so, L.C.M. of 24 and 36 is 6 times of H.C.F. of 24 and 36.
H.C.F. of 24 and 36 is their L.C.M? OK, 72 is their L.C.M. Their H.C.F. is 12. When 72 is divided by 12, its quotient is 6. Therefore, 6 times of H.C.F. of 24 and 36 is their L.C.M.
升中一數學難題
發問:
How many times of H.C.F. of 24 and 36 is their L.C.M?
最佳解答:
2 24 36 2 12 18 3 6 9 2 3 L.C.M.= 2*2*2*3*3 =8*9 =72 H.C.F.= 2*2*3 =4*3 =12 L.C.M. 2*2*2*3*3 --------- = ------------------- = 6 H.C.F. 2*2*3 so, L.C.M. of 24 and 36 is 6 times of H.C.F. of 24 and 36.
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其他解答:H.C.F. of 24 and 36 is their L.C.M? OK, 72 is their L.C.M. Their H.C.F. is 12. When 72 is divided by 12, its quotient is 6. Therefore, 6 times of H.C.F. of 24 and 36 is their L.C.M.
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