Răspunsuri

2014-05-21T23:31:43+03:00
A+b=89
d=i·c+r 
a=b·3+1
a=3b+1
3b+1+b=89
4b=89-1
4b=88
b=22
a=3·22+1
a=66+1
a=67
8 4 8