tinhf1402 tinhf1402

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Mathematics

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cho hình thang vuông abcd vuông tại A và D có AD= a căn 3, DC=3,AB= 2a. chứng minh AC vuông góc với BD

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shalmalee shalmalee

Today at 2:00 PM

I am not understanding the language

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standifordca26 standifordca26

Today at 2:00 PM

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its Vietnamese

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I just dont understand what that type of math is? sorry ):

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