Предмет: Математика, автор: djalimbetovabaz

Пожалуюста помогите решить задачу. Чтобы купить книгу 《 Детская энциклопедия》, ученик каждый месец собирал по 400 тенге.Через 2 месеца он собирал деньги для покупки книги.Сколько стоит книга 《 Детская энциклопедия》.

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Ответы

Автор ответа: рашид00000

1

1) 400*2=800(тенге) цена книги Ответ: "Детская энциклопедия" стоит 800(тенге)

Автор ответа: 5Анастасия

1

книга стоит 800, ну это понятно.

обратные задачи:

книга стоит 800, мальчик собирал деньги 2 месяца, сколько денег в месяц откладывал мальчик.

Мальчик откладывал по 400 тг в месяц и купил книгу по 800, сколько месяцев копил мальчик

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