2024衡水金卷先享卷数学答案免费查询

2024衡水金卷先享卷数学答案免费查询

13.23【解题分析】因为圆x2+y2一4x=0,所以圆心坐标为(2,0),如图所示,因为∠N0A-2∠M0A,所以∠MA0=120,所以S-2×号×2×2Xsin120°=2√3.14.[0,3+2√/3)23【解题分析】因...