Предмет: Математика, автор: алена762208

задача. дедушка посадил дерево в нашем саду 54 года тому назад.папа посадил на 30 лет позже чем дедушка. я тоже посадил дерево оно в 6 раз моложе того что посадил папа. ск лет моему дереву?

Ответы

Автор ответа: Кукушонок16

1) 54-30=24(г) - папиному дереву

2) 24:6=4(г) - моему дереву

Ответ: 4 года моему дереву

Автор ответа: аннета225

Эту задачу можно решить двумя способами. По действиям иили введенни переменную х.

Решение.

1способ

1) Сколько лет папиному дереву?

54-30=24 года

2) Сколько лет моему дереву?

24: 6= 4 года

2 способ.

Пусть возраст моего дерева будет х. .Тогда папиному дереву 6х лет

А дедушкиному 6х+30. А по условию дедушкиному 54 года. Из этогомы можем составить уравнение.

Уравнение:

6х+30=54

6х=24

х=4

Значит 4 года моему дереву.

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