Предмет: Математика, автор: W56W56

масса ящика груш а кг а масса ящика яблок на 2 кг больше какова масса 4 ящиков и 3 ящиков яблок 7 найдите значения выражения при а =12

Ответы

Автор ответа: DaxDino

4a + 3(a+2) = 4a + 3a + 6 = 7a + 6
Если a = 12, то 7a + 6 = 7*12 + 6 = 84 + 6 = 90
Ответ: 90

Автор ответа: W56W56

это не семь а вопросительный знак

Автор ответа: DaxDino

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