Question

|a|=3 |b|=2 |c|=1,且a小于b小于c,求a,b,c的值?

Answer 1

a=-3

b=-2

c=1或者-1

①当c=1时,a+b+c=-3+（-2）+1= -4

②当c=-1时,a+b+c=-3+（-2）+（-1）= -6