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(2002•河北)如图,二次函数y=x2-4x+3的图象交x轴于A,B两点,交y...
(2002•河北)如图,二次函数y=x
2-4x+3的图象交x轴于A,B两点,交y轴于C,则△ABC的面积为( )
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A.6
B.4
C.3
D.1
考点分析:
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