Вопрос школьника по предмету Математика
Нужно составить и решить уравнение.
Одно число меньше другого в 4 раза, их сумма равна 45. Найди эти числа
Ответ учителя по предмету Математика
х — одно число
4х — второе число
1) х + 4х = 45
5х = 45
х = 45 : 5
х =
9 — одно число
2) 9 * 4 =
36 — второе число.
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