17.1一元二次方程.......................................................................217.2一元二次方程的解法第1课时配方法.................................................................19第2课时公式法..................................................................39第3课时因式分解法...........................................................57第4课时选用适当的方法解一元二次方程................
八年级数学下册（HK）1234567891011121314151617181920212223
八年级数学下册（RJ）1234567891011121314151617181920212223242526272829303132333435
八年级数学下册（HK）12345678910111213141516171819
八年级数学下册（HK）123456789101112131415161718
217314457708296105115132148162179196.....................................................12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813...
