Предмет: Математика, автор: Slonik2004

Когда сторону квадрата увеличили в 3 см.То его периметр стал равен 44 см.Найти периметр первоначального квадрата.
2.Юля задумала число , 1/2 часть которого составляет 85.Какое число задумала Юля?

Ответы

Автор ответа: GeorgyII

0

#1 44:4=11(новая сторона)
11-3=8
#2 85*2= 170

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