Question

daca a+b=108 si a-b=42 , sa se afle a si b

Answer 1

a/..../...42.../
b/.../
a+b=108
a-b=42
108-42=66
66:2=33 numarul b
a=33+42=75 numarul a
b=33

verificare
a+b
75+33=108
a-b
75-33=42