Explicatie pas cu pas:
a)(a+b):2=
(24+104):2=
128:2=64
b)(15+103):2=
108:2=54
c)(a+41):2=52
a+41=52x2
a=104-41
a=63
d)(11+b):2=2011
11+b=2011x2
b=4022-11
b=4011
e)(a+120):2=104
a+120=104x2
a=208-120
a=88
f)(442+b):2=500
442+b=500x2
b=1000-442
b=558
Sper ca te-am ajutat! Succes!
