Предмет: Биология, автор: sharipov1964

реши уровненное 290+х=640-260

Ответы

Автор ответа: 1666DemoN6661
0
290+х=640-260
290 + х = 380
х = 380 - 290
х = 90
проверка:
290 + 90 = 640 - 260
380 = 380
Автор ответа: 1666DemoN6661
0
Пожалуйста. Удачи!
Автор ответа: likearsen
0
290+х=640-260
290 + х = 380
х = 380 - 290
x=90
Автор ответа: Аноним
0
290+х=640-260
290 + х = 380
х = 380 - 290
х = 90
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