Предмет: Математика, автор: глеб140

помогите решить задачи..просто пример

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Автор ответа: dasha957
0
а) 1)40*2=80 2)12*2=24 3)80-24=56 ответ:через 2 часа
Автор ответа: глеб140
0
номер 3
Автор ответа: вероничка2211
0
1) 34+28= 62(кг)- всего
2)62-16=46(кг)
Автор ответа: глеб140
0
номер 3
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