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  100道初一数学化简题

  100道初一数学化简题

1回答
2019-06-13 23:50
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马爱民

  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)]}.

2019-06-13 23:52:09

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