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
Trong không gian Oxyz,cho ba điểm A(3;1;0),B(2;1;-1),C(x;y;-1) sao cho ∆ABC
4 months ago
104
Trong không gian Oxyz,cho ba điểm
A(3;1;0),B(2;1;-1),C(x;y;-1)
sao cho ∆ABC là tam giác vuông cân tại A
Khi đó x+y bằng bao nhiêu?
#ToanLop12
#Toán12
#HinhHocKhongGianOxyz
#OxxyzGeometry
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