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Sevendifferentnumbersareselectedfromtheintegers1to100,andeachnumberisdividedby7.Whatisthesumoftheremainders?(1)Therangeofthesevenremaindersis6.(2)Thesevennumbersselectedareconsecutiveintegers.正解说(1)不充分

题目详情
Seven different numbers are selected from the integers 1 to 100,and each number is divided by 7.What is the sum of the remainders?
(1) The range of the seven remainders is 6.
(2) The seven numbers selected are consecutive integers.
正解说(1)不充分,可我怎么绞着(1)和(2)说的是一回事儿呢...
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答案和解析
两个不一样,(1)表示的数可以不连续,比如1,2,3除以7的余数同1,8,16除以7的余数一样,但是前者连续,后者就不是 (2)答案的意思是一定是连续的数