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单选题 容易0.94 引用2 组卷975
已知点O(0,0),点A(-3,2),点By轴的正半轴上,若△AOB的面积为12,则点B的坐标为(   
A.(0,8)                                                     B.(0,4)                                                     C.(8,0)                                                     D.(0,-8)
21-22八年级上·全国·单元测试
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