Răspuns :
a+b=62
a:b=4 rest 2, rezulta ca a=4xb+2
a+b=4b+2+b=5b+2=62
5b=60
b=12
a=4x12+2=48+2=50
a:b=4 rest 2, rezulta ca a=4xb+2
a+b=4b+2+b=5b+2=62
5b=60
b=12
a=4x12+2=48+2=50
a-b=62
a:b=4 rest 2
a=4b+2
4b +2 +b=62
5b=62-2=60
b=60:5
b=12
a=12x4+2
a=50
verificare: 50+12=62
50:12=4 rest 2
a:b=4 rest 2
a=4b+2
4b +2 +b=62
5b=62-2=60
b=60:5
b=12
a=12x4+2
a=50
verificare: 50+12=62
50:12=4 rest 2