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یادگیری ریاضی

сообщение · 2025-03-19 09:58 UTC

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صفی الله عزیزی

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7²=h²+(8-b)² 5²=h²+b² h=5√3/2 , b=5/2 A= (1/2)(5/2)(5√3/2)+(2)(5√3/2)+(1/2)(8-5/2)(5√3/2)=15√3

09:58

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