Читать книгу Basic Math & Pre-Algebra All-in-One For Dummies (+ Chapter Quizzes Online) - Mark Zegarelli - Страница 70

Sometimes you want to talk about when two quantities are different. These statements are called inequalities. In this section, I discuss six types of inequalities: ≠ (doesn’t equal), < (less than), > (greater than), ≤ (less than or equal to), ≥ (greater than or equal to), and ≈ (approximately equals).