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Mathematics, 10.10.2021 14:30 elliswilliams4189

Cho hình thang vuông ABCD, có góc A=góc D=90 độ. AD=77cm, AB=91cm, DC=127cm. Tính góc C và cạnh BC

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Cho hình thang vuông ABCD, có góc A=góc D=90 độ. AD=77cm, AB=91cm, DC=127cm. Tính góc C và cạnh BC...
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