A:to carry the shopping
B:for carrying the shopping
C:and carrying the shopping
D:carrying the shopping
有理数a既不是正数,也不是负数,b是最小的正整数,c表示下列一组数:
-2,1.5,0,130%, ,860,-3.4中非正数的个数,则a+b+c等于多少?
— There are __________.