var ancestorid_131612='131605'; var isauth_131612='0'; var istop_131612='0'; var iselite_131612='0'; var iscommend_131612='0'; var islock_131612='0'; var title_131612='Re:请教一个数量关系的题目'; var body_131612='第一题答案是1:隔位相比分成两组即第一组是0,(),3,4;第二组是1,2,4,5,看第二组是2-1=1,5-4=1第一组的4-3=1所以就该是()-0=1所以就是1了.
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