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Анна83230
@Анна83230
August 2022
1
35
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Периметр прямоугольника ABC равен 17/20 м. Сторона AB равна 17/50 м, сторона BC на 9/50 м короче AB. Найдите длину стороны AC. (ответ должен быть 7/20)
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Самир17
BC=17/50-9/50=8/50
AC=17/20-(17/50+8/50)=17/20-1/2=17/20-10/20=7/20
2 votes
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AC=17/20-(17/50+8/50)=17/20-1/2=17/20-10/20=7/20