Предмет: Математика, автор: le2009ka35

как решить уровнение 780 минус у равно 1440 разделить 60

Ответы

Автор ответа: kotenok86

8

780-у=1440:60
780-у=24
у=780-24
у=756
проверка
780-756=1440:60
24=24

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