Задача Задача №3501906
А
А
Correct. 2 • 2 = 4.
Reason: multiplication is repeated addition, so 2 • 2 = 2 + 2 = 4. The dot just denotes multiplication; it's the same as 2×2 or 2².
Would you like a few quick practice problems or a brief refresher on multiplication rules (commutativity, distributivity)?