Предмет: Математика, автор: blumkinaekaterina83

Швидкість катера першу годину:45км/год,іще 2 години катер рухався зі швидкістю 51км/год.Знайдіть середню швидкість руху катера за весь час.

Ответы

Автор ответа: thmel

Ответ:

1) 51*2=102 км/год - рух за 2 години

2) 45+102= 147 км/год - рух катера за 3 години

3) 147/3= 49 км/год - середня швидкість катера

Пошаговое объяснение:

blumkinaekaterina83: Нет не правильно

thmel: почему???

Автор ответа: 88shsvetik88

Ответ:

1) 51*2=102 км/год - рух за 2 години

2) 45+102= 147 км/год - рух катера за 3 години

3) 147:3=49 км/год

Пошаговое объяснение:

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