Предмет: Математика, автор: чикалина

составь уравнение в котором неизвестным является вычитаемое, уменьшаемое равно 99, а значение разности 69, реши уравнение.

Ответы

Автор ответа: ilyagolovin
21
99-x=69
-x=69-99
-x=-30
x=30
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