Предмет: Математика, автор: aizhanibraqimova

Конда в один вагон загрузили 9 т а в др 12 т груза то массы груза в обоих вагонах стали равны. Сколько тонн груза было в первом вагоне если во втором было 69 тонн

Ответы

Автор ответа: Tatyanakz82
0
69+12=81; 81-9=72тоны было в первом вогоне
Автор ответа: dcvol
0
1) 69 + 12 = 81
2) 81-69 =71
Ответ: всего было в первом вагоне
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