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Периметр трикутника 166 сантиметрів. перша сторона У 5 разів менша за вторюю сторону.А вторая стоорона НА 68 сантиметрів менша за третю сторону. Срочно ПЖ
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Предмет:
Математика -
Автор:
michelle - 6 лет назад
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Ответы 1
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х см - 2 сторона
5х см - 1 сторона
х+68 см - 3 сторона
Р=а+b+c
1) х+5х+х+68=166
7х=98
х=14 (см) - 2 сторона;
2) 5*14=70 (см) - 1 сторона
3) 14+68=82 (см) - 3 сторона
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Автор:
trinity - 6 лет назад
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