Предмет: Математика, автор: olegvasilenko032

7,5×-2,9×=12,8
Дуже срочно поможіть

Ответы

Автор ответа: Mashenkamizani
1
7.5х - 2.9х = 12.8
4.6х = 12.8
х = 12.8 : 4.6
х = 2.7
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