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P(x, y)is the midpoint of AB?(not shown above), then what are the coordinates of
P(x, y)is the midpoint of AB?(not shown above), then what are the coordinates of
游客
2024-01-13
15
管理
问题
P(x, y)is the midpoint of AB?(not shown above), then what are the coordinates of P?
选项
A、(l,2)
B、(1.5, 1.5)
C、(0, 1)
D、(1,0)
E、(0,-1)
答案
C
解析
P为AB的中点,那么P的横坐标为[1+(-1)]/2=0,纵坐标为[3+(-1)]/2=1,所以P点坐标为(0,1)。
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