因式分解--乘法(兰生复旦中学理科班教程)（模版）.docx

因式分解--乘法(兰生复旦中学理科班教程)（模版）

第一篇：因式分解--乘法(兰生复旦中学理科班教程)（模版）因式分解提取公因式法5d20de2pq6pq4pq完全分解下列各式14acd21cd7cd2ab3abc4acd11pq22pq33pq2x(ab)3y(ab)232x(2ab)3y(2ab)3a(x3)6b(x3)2x4y8zpapapapzpzpz5y(m3n)2z(m3n)nanana2223x9xy12xyabcabcabc9y2a2223333xaa2a6x2xa15ya4x2aa4ab2n8ab1n2xx1b2aaaaab2aabbb1ab1b23x6x9xa62a4a4a3axy6axy12axy(2aab)(cd)(3ab2a)(cd)十字相乘法x6x53xxy2yx5x6acx(adbc)xbd完全分解下列各式114x49xpp1k20ka8ab16bab14ab49x10xy25y2x27xy15y23a210ab7b26x25xy6y212x210x125p213p65p2q27pq64a27a34m28mn3n26p27p2012p214pq40q26a219ab20b24x222x248x2y244xy481431xy15x2y214m229m1510a25ab15b24p22px2xybxby完全分解下列各式xaxy3a3yp2pq2p2q2x2y27xy153a210a76x2y25xy65p213pq6q25p27p64a27a34m28m36p27p206p27pq20q26a219a202x211x126x233xy36y21431x15x214x211xy15y26x29xy81y24m2n220mn25分组分解法x3x21xm2mbmcbcaxayx2xyy3y2y124c2c4c3e2ep2p2ea2a44aax2a2x3xy3ay8pq3qr12pr2q2x2y25x2y5xy2xy3(3x2y)26x4ya22abb2a2b2x2(ab)xabacx2(adbc)xbda3b3a33a2b3ab2b3a3b3c33abc(对自然数n)anbn(对奇数n)anbn16n28nee2p281q4完全分解下列各式x264n2100m2121y2m23m3nmn2c2dd2dc3bcac6ab2a2a3a2a124mnab3an8bmp2qpqr2pr2r2m3m2(2m1)3a6b(a2b)2公式法a22abb2a3b34c28cd4d24c2b2a2b2136x2y822249cde22c(d2)224x4xyy22e6ef9f9f24fg16g2225p10pqq49y42yz9z14mmnnnn94ppqq16x4xyyx2xyy9xy42xyz49z8xy56xy98xy225x169xy4(6a5b)(3ab)m2mnn49xy25z6336aba4b9xyz164x32ab2babc64xy6122n94ab(abc)x8yz6xyz2222228x12x6x132a1ax5a2n12n5aababb7522578ax4m616axn82n11b20ab2m420ab4ababc2(abacbc)2244xy3xy1(x1)(x2)(32x)333(abc)abc添项和拆项a2a3a2a1x3x4x3x3x24322x15x38x39x143x2xy3xy4xyy43223mmmmm1963完全分解下列因式a64bxy8abc6abc1xxxx8x22xy15y3332315aababb1xyz2xy2xz2yzxyxxy6yx7y26x7xy3y11x32x5xy3y7y23x7x4x48x7x9x26x24aa16x13xy6y22x23y202y5xy2xayax