Răspunsuri

2014-05-04T13:32:27+03:00
A+b=96rezulta a=96-b
b+c=97rezulta c=97-b
a+c=99
96-b+97-b=99
193-2b=99
-2b=99-193
-2b=-94/ *(-1)
2b=94
b=94/2
b=47

a+b=96
a+47=96
a=96-47
a=49

b+c=97
47+c=97
c=97-47
c=50