Question

In cate moduri se poate scrie numarul 42 ca diferenta a doua numere naturale de doua cifre?

Answer 1

85-43=42
86-44=42
87-45=42
88-46=42
89-47=42
90-48=42
91=49=42
92-50=42
93-51=42
93-52=42
94-52=42
95-53=42
96-54=42
97-55=42
98-56=42
99-57=42