Răspunsuri

2014-09-17T08:50:40+03:00
A+b+c=104,a=bunica,b=baiatul,c=mama
a=28+c,b=c:9,c=9b
((28+9b)+b+9b=104
28+9b+b+9b=104
19b=76
b=4
c=9b=9x4=36
a=28+c=28+36=64
e cel mai bun raspuns?