Предмет: Математика, автор: mardonplaks1

Срочно помогите!!!! Даю 15 баллов за одну легкую задачку с полным решением и обьяснением!!!!!!!!

Приложения:

mardonplaks1: И да вариант там не уместился один. D) 1- 14,25; 2- 10,25; 3- 28

Ответы

Автор ответа: dobra888

1

Відповідь: А ) 17,15 кг ; 13,25 кг ; 28,1 кг .

Покрокове пояснення:

Нехай у І - у ящику було спочатку х кг яблук .

1) Рівняння : х - 6 1/4 + 8 3/5 = 19 1/2 ;

x + 2 7/20 = 19 1/2 ;

x = 19 1/2 - 2 7/20 ;

x = 17 3/20 = 17,15 кг яблук було у І - у ящику .

2) 19 1/2 - 6 1/4 = 13 1/4 = 13,25 кг яблук було у ІІ - у ящику .

3) 19 1/2 - 8 3/5 = 27 11/10 = 28,1 кг яблук було у ІІІ - у ящику .

В - дь : 17,15 кг ; 13,25 кг ; 28,1 кг .

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