Question

detereminati numerele de forma a b c stiind ca a+c=3 a+c obtine urmatoarele,valori posibile pentru cifrele a si c

Answer 1

ABC
a+c=3
=>1 caz. a=1
c=2
b=0,1,2,...,9=>nr:102,112,132,...,192
2 caz. a=2
c=1
b=0,1,2,3,...,9=>nr:201,211,221,...,291
3 caz. a=3
c=0
b=0,1,2,3,...,9=>nr:300,310,320,...,390