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在直角坐标系中，我们把横、纵坐标都为整数的点称为整点，记顶点都是整点的三角形为整点三角形．如图，已知整点A（2，3），B（4，4），请在所给网格区域（含边界）上按要求画整点三角形． （1）在图1中...
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