Răspuns :
nr 1 I----I
nr 2 I----I-27-I {47
47-27=20
20:2=10(nr 1)
10+27=37(nr 2)
Sper ca te-am ajutat! :)
a+b=47
a=b-27
b-27+b=47
2b=47-27
2b=20
b=10
a+10=47
a=47-10
a=37
a=b-27
b-27+b=47
2b=47-27
2b=20
b=10
a+10=47
a=47-10
a=37