Răspuns :
a)17300 - 17298,17299,17301
b)17600 - 17581,17580,17579
c) 17500 - 17495,17501,17505
b)17600 - 17581,17580,17579
c) 17500 - 17495,17501,17505
a)17259,17332,17335,17340
b)17560,17563,17580,17581
c)17501,17503,17504,17509
b)17560,17563,17580,17581
c)17501,17503,17504,17509