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A.-1+ B.- C.1+ D.+
连接抛物线x2=4y的焦点F与点M(1,0)所得的线段与抛物线交于点A,设点O为坐标原点,则三角形OAM的面积为
A.-1+ B.- C.1+ D.+
-1+
-
1+
+
A.-1+
B.-
C.1+
D.+