Cho biet duong thang $y=\dfrac{1}{2}x$ chia mat phang toa do thanh hai mien:mot mien gom cac toa do (x;y) ma $y >\dfrac{1}{2}x$ , mien kia gom cac diem toa do (x;y) ma $y<\dfrac{1}{2}x$ . Hay ve duong thang $y=\dfrac{1}{2}x $ va chi ro mien nao gom ca diem (x;y) $y >\dfrac{1}{2}x$.
HAM SO!
Bắt đầu bởi NguyThang khtn, 11-11-2010 - 16:06
#1
Đã gửi 11-11-2010 - 16:06
It is difficult to say what is impossible, for the dream of yesterday is the hope of today and the reality of tomorrow
#2
Đã gửi 11-11-2010 - 18:23
Xem trong cuốn "Đại Số 10"Cho biet duong thang $y=\dfrac{1}{2}x$ chia mat phang toa do thanh hai mien:mot mien gom cac toa do (x;y) ma $y >\dfrac{1}{2}x$ , mien kia gom cac diem toa do (x;y) ma $y<\dfrac{1}{2}x$ . Hay ve duong thang $y=\dfrac{1}{2}x $ va chi ro mien nao gom ca diem (x;y) $y >\dfrac{1}{2}x$.
"Do you still... believe in me ?" Sarah Kerrigan asked Jim Raynor - Starcraft II:Heart Of The Swarm.
#3
Đã gửi 12-11-2010 - 09:27
em moi hoc lop 9 ma!
em pót len de moi nguoi tham khao thoi!
em pót len de moi nguoi tham khao thoi!
It is difficult to say what is impossible, for the dream of yesterday is the hope of today and the reality of tomorrow
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