小学各种数的概念包括“自然数,整数,小数,分数,百分数,质数,合数,奇数,偶数,质因数,互质数,因数（约数）,倍数,最大公因数,最大公倍数”.很多吧,因为我们要复习了.注：一定要所有!
连词成句people,100m,in,can,the,9.87,run,fastest,seconds（.）did,at,last,well,the,week,sportsdayall,the,school,students(.)in,first,was,team,place,dragon(.)you,your,enjoy,picnic,did(?)is,man’s，the,he,100-metre,first,race,in(.)
