Предмет: Математика, автор: viktoriaguluk2018

Допоможіть будь ласка​

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Автор ответа: emmaroz
1

Р прямокутника= (1\frac{3}{7} +1\frac{5}{7} )*2=(2+1\frac{1}{7} )*2=\frac{22}{7} *2=\frac{44}{7}=6\frac{2}{7}см

Відповідь А

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