Meaning of LCM 最小公倍數的意義

Enter two or three numbers (not greater than 20) and drag the red points to find their common multiples. 輸入不大於20的正整數，並拖拉紅點來找出它們的最小公倍數。

gMath 互動數學教室 http://www.geogebra.hk

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