Найдите неверное равенство.

  1. a · a · a = a³
  2. x + x + x = 3x
  3. (m + m + m) ÷ m = 2m
  4. 2(k + 1) = 2k + 2

📝 Detailed explanation

При упрощении выражения (m + m + m) ÷ m получаем 3m ÷ m = 3. В равенстве же указано, что оно равно 2m, следовательно, оно неверно.
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