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Mathematics, 26.07.2021 14:50 BrandonBBB

Viết phương trình đường thẳng biết a) vuông góc với đường thẳng x+2y=1 và đi qua A(1;2)
b) đi qua gốc toạ độ và đi qua điểm M (-1;3)

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Viết phương trình đường thẳng biết a) vuông góc với đường thẳng x+2y=1 và đi qua A(1;2)
b) đi...
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