Предмет: Алгебра, автор: sofidemetc

треба дуже швидко

знайти сторони прямокутника, довжина якого на 4 см довша ширини, а периметр дорівнює 60см2

Ответы

Автор ответа: ivanova00278

1

60=(х+4)2+2х

60=4х+8

4х=52

х=13

13+4=17

Ответ: 13, 17

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