Răspuns :
A-B=80
A:B=12 rest 3
A,B=?
A=12xB +3
(12xB+3)-B=80
12B-B=77
11B=77
B=77:11=7
A=12x7+3=84+3=87
A:B=12 rest 3
A,B=?
A=12xB +3
(12xB+3)-B=80
12B-B=77
11B=77
B=77:11=7
A=12x7+3=84+3=87