Предмет: Алгебра, автор: lesya2030

реши задачу двумя способами . на столе стоят четыре тарелки . на каждой из них по 8 бутербродов с сыром и по 9 с колбасой. сколько всего бутербродов на тарелках

Ответы

Автор ответа: nesqvik
0

1способ:
(8+9) х 4= 68(б)
Ответ: 68 бутербродов
2способ:
1) 9 х 4 =36)б)
2) 8 х 4=32
3)32+36 = 68 (б)
Ответ: 68  бутербродов

  

Автор ответа: Katyuha85
0

1 способ:

 

расчитаем сколько всего бутербродов на одной тарелке:

8+9 = 17 (бутербродов)

 

но всего таких тарелок 4

17*4 = 68 (бутербродов) - всего

 

2 способ:

 

Расчитаем сколько бутербродов с сыром на 4 тарелках:

8*4 = 32 (бутерброда)

 

Расчитаем сколько бутербродов с колбасой на 4 тарелках:

9*4 = 36 (бутерброда)

 

расчитаем сколько всего бутербродов:

32+36 = 68(бутербродов)

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