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【简答题】
已知:一次函数 y=kx十b:的图象经过M(0,2),(1,3)两点.    求 (1)k、b的值 (2)若一次函数 y=kx+b 的图象与 x 轴的交点为 A(a,0),求a 的值.
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B.
London
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Paris
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主张制定全面和广为接受的经贸体制;
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胎盘血管痉挛
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肾小血管痉挛
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