循环下去都是495.
327,732-237=495;954-459=495…;
253,532-235=297,972-279=693,963-369=594,954-459=495,954-459=495…;
369,963-369=594,954-459=495,954-459-495…;
所以循环下去都是495;
循环下去都是495.
327,732-237=495;954-459=495…;
253,532-235=297,972-279=693,963-369=594,954-459=495,954-459=495…;
369,963-369=594,954-459=495,954-459-495…;
所以循环下去都是495;