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100道初一数学化简题
提问时间:2019-06-13 23:50:17 1人问答
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  100道初一数学化简题

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马爱民回答:
  3ab-4ab+8ab-7ab+ab   23a3bc2-15ab2c+8abc-24a3bc2-8abc   2y+(-2y+5)-(3y+2)   (2x2-3xy+4y2)+(x2+2xy-3y2)   2a-(3a-2b+2)+(3a-4b-1)   2x-(x+3y)-(-x-y)-(x-y)   2x+2y-[3x-2(x-y)]   5-(1-x)-1-(x-1)   3x-2x2+x-4+2x3-5x+3   3x-2x+x-4-(2x3-5x+3)   -(2x2-y2)-[2y2-(x2+2xy)]   (-y+6+3y4-y3)-(2y2-3y3+y4-7)   4x2-[7x2-5x-3(1-2x+x2)]   3a-(2a-3b)+3(a-2b)-b   x-[y-2x-(x+y)]   3x-[y-(2x+y)]   4a2n-an-(3an-2a2n)   2x2y+3xy2-x2+2xy-(3x2y+2x2-3xy-4)   -5xm-xm-(-7xm)+(-3xm)   [a-(b-c)]-[-b-(-c-a)]   b-2(-5a)]-(-3b+5c)   -2(3x+z)-(-6x)+(-5y+3z)   -5an-an+1-(-7an+1)+(-3an)   3a-(2a-4b-6c)+3(-2c+2b)   9a2+[7a2-2a-(-a2+3a)]   3ab-4ab+8ab-7ab+ab   7x-(5x-5y)-y   23a3bc2-15ab2c+8abc-24a3bc2-8abc   -7x2+6x+13x2-4x-5x2   2y+(-2y+5)-(3y+2)   (2x2-3xy+4y2)+(x2+2xy-3y2)   2a-(3a-2b+2)+(3a-4b-1)   -6x2-7x2+15x2-2x2   2x-(x+3y)-(-x-y)-(x-y)   2x+2y-[3x-2(x-y)]   5-(1-x)-1-(x-1)   -(2x2-y2)-[2y2-(x2+2xy)]   (-y+6+3y4-y3)-(2y2-3y3+y4-7)   4x2-[7x2-5x-3(1-2x+x2)   3a-(2a-3b)+3(a-2b)-b   (3x-5y)-(6x+7y)+(9x-2y)   2a-[3b-5a-(3a-5b)]   (6m2n-5mn2)-6(m2n-mn2)   m2+(-mn)-n2+(-m2)-(-0.5n2)   2(4an+2-an)-3an+(an+1-2an+1)-(8an+2+3an)   (x-y)2-(x-y)2-[(x-y)2-(x-y)2]   -9(x-2)-y(x-5)5(9+a)×b-5(5+b)×a   62g+62(g+b)-b   3(x+y)-5(4+x)+2y   (x+y)(x-y)   2ab+a×a-b   5.6x+4(x+y)-y   6.4(x+2.9)-y+2(x-y)   (2.5+x)(5.2+y).   2(x3)2•x3-(2x3)3+(-5x)2•x7   (-2a3b2c)3÷(4a2b3)2-a4c•(-2ac2)   -2a2(ab+b2)-5a(a2b-ab2)   (3x3-2)(x+4)-(x2-3)(3x-5)   9(x+2)(x-2)-(3x-2)2   [(x+y)2-(x-y2)+4xy]÷(-2x)   5a-2b+3b-4a-1   7x²-3x²-2x-2x²=5=6x   2X―[6-2(X-2)]   (5a+2a²-3-4a³)-(-a+3a³-a²)   3x²+4x-2x²-x+x²-3x-1   -3[y-(3x2-3xy)]-[y+2(4x2-4xy)]   2x²-3xy+y²-2xy-2x²+5xy-2y+1   2x²y+4x²y-3xy²-5xy²   9x+6x²2-3(x-2/3x²2)   1/4(-4x²+2x-8)-(1/2x-1)   3x'y-[2x'y-(2xyz-x'z)-4x'z]-xyz   (5a^2-3b^2)+(a^2+b^2)-(5a^2+3b^2)   2(a^2b+ab^2)-2(a^2b-1)-2ab^2-2   (3x-5y)+(-3+y)   (4x2-8x+5)-(x3+3x2-6x+2).   (0.3x3-x2y+xy2-y3)-(-0.5x3-x2y+0.3xy2).   -{2a2b-[3abc-(4ab2-a2b)]}.   (5a2b+3a2b2-ab2)-(-2ab2+3a2b2+a2b).   (x2-2y2-z2)-(-y2+3x2-z2)+(5x2-y2+2z2).   (3a6-a4+2a5-4a3-1)-(2-a+a3-a5-a4).   (4a-2b-c)-5a-[8b-2c-(a+b)].   (2m-3n)-(3m-2n)+(5n+m).   (3a2-4ab-5b2)-(2b2-5a2+2ab)-(-6ab).   xy-(2xy-3z)+(3xy-4z).   (-3x3+2x2-5x+1)-(5-6x-x2+x3).   3x-(2x-4y-6x)+3(-2z+2y).   (-x2+4+3x4-x3)-(x2+2x-x4-5).   2m-{-3n+[-4m-(3m-n)]}.
马爱民
2019-06-13 23:52:09
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