Răspunsuri

2014-10-11T17:59:25+03:00
2c=16
c=16/2=8

b+c=14
b=14-8=6

c+e=17
e=17-8=9

a+b=11
a=11-6=5

a+d=12
d=12-5=7

R/s: a=5;b=6;c=8;d=7;e=9.