42就是21与6的最小公倍数,48和14的最小公约数是2.

42就是21与6的最小公倍数


everybody get rich on upside, marjority of 21 double to 42, and minority of 6 seven times to 42

when coming down, marjority could lose seven times to 3, while minority of 6 only lose 2 times,

they all have to survive, 21: those who bought at 21, and 6 are those who bought at 6, and stock goes to 42

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