Увеличьте число 450 на 20%.

  1. 540
  2. 560
  3. 520
  4. 510

📝 Detailed explanation

Сначала находим 20% от числа 450: 450 × 0,20 = 90. Затем прибавляем полученное значение к исходному числу: 450 + 90 = 540.
7 / 10 (70%)
Question 7 of 10
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