Răspunsuri

2014-05-04T14:46:44+03:00
A+b+c=86 b+4=86 b=86-4=82 82/4=20rest2 20ret 2 +82=104 104-22=82
2014-05-04T15:00:32+03:00
A+b+c=86
a+4=b=>a=b-4

c=4b
b-4+b+4b=86
6b=86+4
6b=90
b=90/6
b=15 al doilea nr
a+4=b
a+4=15
a=15-4
a=11
c=4b
c=4x15
c=60
a+b+c=86
11+15+60=86