Задача Задача №3538001
А
А
81
9 × 9 = 81, which is 9 squared. Quick check: (10 − 1)² = 100 − 20 + 1 = 81. Want more quick multiplication drills?
81
9 × 9 = 81, which is 9 squared. Quick check: (10 − 1)² = 100 − 20 + 1 = 81. Want more quick multiplication drills?