Найдите среднее арифметическое чисел 200; 300; 400 и 500.

  1. 400
  2. 300
  3. 350
  4. 450

📝 Detailed explanation

Чтобы найти среднее арифметическое, сумму всех чисел деляем на их количество: (200 + 300 + 400 + 500) ÷ 4 = 1400 ÷ 4 = 350.
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