Вопрос школьника по предмету Математика
Помогите решить задачу,заранее Спасибо!!
В понедельник купили несколько книг
во вторник на 179 книг больше чем в понедельник
А в среду 348 книг сколько книг купили в понедельник если всего книг купили 1571?
Ответ учителя по предмету Математика
решим задачу уравнением.
пусть в понедельник х книг.
х+х+179+348=1571
2х=1571-179-348
2х=1044
х=522 в понедельник
ответ:
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