判断下列命题的真假,并说明理由: 1)(x-2)(x-3)=0是(x-2)2+(y+3)=0的充要条件 2)1)(x-2)(x-3)=0是(x-2)2+(y+3)=0的充要条件2)X2=4x+5是X根号下4X+5=X2的必要条件3)内错角相等是两条直线平行的充
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![判断下列命题的真假,并说明理由: 1)(x-2)(x-3)=0是(x-2)2+(y+3)=0的充要条件 2)1)(x-2)(x-3)=0是(x-2)2+(y+3)=0的充要条件2)X2=4x+5是X根号下4X+5=X2的必要条件3)内错角相等是两条直线平行的充](/uploads/image/z/11699341-61-1.jpg?t=%E5%88%A4%E6%96%AD%E4%B8%8B%E5%88%97%E5%91%BD%E9%A2%98%E7%9A%84%E7%9C%9F%E5%81%87%2C%E5%B9%B6%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1%3A+1%29%28x-2%29%28x-3%29%3D0%E6%98%AF%EF%BC%88x-2%EF%BC%892%2B%EF%BC%88y%2B3%EF%BC%89%3D0%E7%9A%84%E5%85%85%E8%A6%81%E6%9D%A1%E4%BB%B6+2%EF%BC%891%29%28x-2%29%28x-3%29%3D0%E6%98%AF%EF%BC%88x-2%EF%BC%892%2B%EF%BC%88y%2B3%EF%BC%89%3D0%E7%9A%84%E5%85%85%E8%A6%81%E6%9D%A1%E4%BB%B62%EF%BC%89X2%3D4x%2B5%E6%98%AFX%E6%A0%B9%E5%8F%B7%E4%B8%8B4X%2B5%3DX2%E7%9A%84%E5%BF%85%E8%A6%81%E6%9D%A1%E4%BB%B63%EF%BC%89%E5%86%85%E9%94%99%E8%A7%92%E7%9B%B8%E7%AD%89%E6%98%AF%E4%B8%A4%E6%9D%A1%E7%9B%B4%E7%BA%BF%E5%B9%B3%E8%A1%8C%E7%9A%84%E5%85%85)
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