Question

всего 108 деревьев. отец посодил в 2-а раза больше чем сын. сколько деревьев посадил сын??? дракон сьел 268 шампиньонов ... 2-я голова сьела в 3-и раза меньше первой... сколько сьела первая голова????

Answer 1

задача 1

 

пусть сын посадил х деревьев,тогда отец 2х Всего посажено 108 деревьев Составим уравнение

х+2х=108

3х=108

х=108:3

х= 36 деревьев посадил сын 

36*2= 72 дерева посадил отец

проверка: 36+72=108

 

2 задача

 

пусть вторая голова съела х грибов,тогда первая 3х Всего съёдено 268 грибов Составим уравнение

х+3х=268

4х=268

х=268:4

х= 67 грибов съёла вторая голова

67*3= 201 гриб съела первая голова

проверка: 67+201= 268

Answer 2

Задача 1

Пусть х- деревьев посадил сын,  то 2х-посадил отец. Зная, что всего деревьев 108, сотавляем уравнение:

2х+х=108

3х=108

х=36

Проверка: 36+72=108

36 деревьев посадил сын.

Ответ: 36 деревьев.

Задача 2

Пусть х-съела вторая голова, то 3х-съела 1ая голова. Зная, что дракон съел 268 грибов, составляем уравнение:

3х+х=268

4х=268

х=67

67*3=201 грибов съела первая голова.

Проверка: 201+67=268

Ответ: 201 шампиньон.

Answer 3

Number of Trees Planted by the Son

The problem states that there are a total of 108 trees planted, and the father planted twice as many trees as the son. We need to find out how many trees the son planted.

Let's assume that the number of trees planted by the son is x. According to the problem, the father planted twice as many trees as the son, so the number of trees planted by the father would be 2x.

The sum of the trees planted by the son and the father should be equal to the total number of trees planted, which is 108. Therefore, we can set up the following equation:

x + 2x = 108

Simplifying the equation:

3x = 108

Dividing both sides of the equation by 3:

x = 36

Therefore, the son planted 36 trees.

Number of Mushrooms Eaten by the First Head of the Dragon

The problem states that a dragon ate a total of 268 mushrooms, and the second head ate three times less than the first head. We need to find out how many mushrooms the first head ate.

Let's assume that the number of mushrooms eaten by the first head is x. According to the problem, the second head ate three times less than the first head, so the number of mushrooms eaten by the second head would be x/3.

The sum of the mushrooms eaten by the first and second heads should be equal to the total number of mushrooms eaten, which is 268. Therefore, we can set up the following equation:

x + x/3 = 268

To solve this equation, we can multiply both sides by 3 to eliminate the fraction:

3x + x = 804

Simplifying the equation:

4x = 804

Dividing both sides of the equation by 4:

x = 201

Therefore, the first head of the dragon ate 201 mushrooms.