原帖由 yangzhe 于 2008-9-29 19:20 发表 935=5X11X17 972=2X2X243 975=5X5X13X3 935X972X975XK=11X17X243X13X3X2X5X2X5X2XK=11X17X243X13X3X10X10X5XK 所以K=2X2X5=20
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