Предмет: Математика, автор: ediqarrakhmeto

в автобусе ехали 30 пассажиров на остановке сели ещё 15 пассажиров а на следующей остановке 20 пассажиров вышли сколько пассажиров осталось в автобусе сравни решение этой задачи с решенииями двух предыдущих задач как они связаны почему эта задача называется составой

Ответы

Автор ответа: СёмаИсаев
0
30+15-20=25 пассажиров осталось в автобусе
Автор ответа: uh19
0
30+15=45 пассажиров стало
45-20=25 пассажиров осталось
составная задача-это значит из нескольких действий состоит. например, в этой задаче, сначала находим сколько стало, после того как 15 вошли, потом сколько осталось, после того, как 20 вышли)
выражением, если: 30+15-20=25
Автор ответа: uh19
0
исправила! не знаю сама, откуда перед этим взяла 50..... теперь правильно)
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