Răspunsuri

2014-09-21T14:53:12+03:00
Inlocuim fiecare litera in functie de a
a=a
c=7+a
b=a+2(7+a)
_____________
a+7+a+a+14+2a=188
5a+21=188
5a=167
a=33,4

c=33,4+7
c=40,4
b=33,4+40,4x2
b=33,4+80,8
b=114,2