个位上是13579的整数都不能被二整除不能被二整除的数叫做答:1,0,2,4,6,8 2.偶数,奇数 3,偶数,奇数 4.0或5 5.n-2,n+2 6.870,780 7.2或8 8.3,1 1.D、90 2.C、能被5整除的数一定能被10整除 3.B、2
奇数个位13579偶数个位为02468答:a1= 036 a2 =IF(MOD(LEFT(A1),2),"奇","偶")&IF(MOD(MID(A1,2,1),2),"奇","偶")&IF(MOD(RIGHT(A1),2),"奇","偶")