Răspuns :
a+b+c=94
a=22
b=18+a=> b=18+22=> b=40
a+b+c=94
22+40+c=94
62+c=94
c=94-62
c=32
verificare:a+b+c=94
22+40+32=94
94=94(A)
a=22
b=18+a=> b=18+22=> b=40
a+b+c=94
22+40+c=94
62+c=94
c=94-62
c=32
verificare:a+b+c=94
22+40+32=94
94=94(A)