求60道初一上册数学题练习题,具体要求如下:

1个回答

  • 四则运算题①[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

    ②5+21*8/2-6-59

    ③68/21-8-11*8+61

    ④-2/9-7/9-56

    ⑤4.6-(-3/4+1.6-4-3/4)

    ⑥1/2+3+5/6-7/12

    ⑦[2/3-4-1/4*(-0.4)]/1/3+2

    ⑧22+(-4)+(-2)+4*3

    ⑨-2*8-8*1/2+8/1/8

    ⑩(2/3+1/2)/(-1/12)*(-12)

    ⑾(-28)/(-6+4)+(-1)

    ⑿2/(-2)+0/7-(-8)*(-2)

    ⒀(1/4-5/6+1/3+2/3)/1/2

    ⒁18-6/(-3)*(-2)

    ⒂(5+3/8*8/30/(-2)-3

    ⒃(-84)/2*(-3)/(-6)

    ⒄1/2*(-4/15)/2/3

    ⒅-1-〔1-(1-0.6÷3)〕×〔2-(-3)×(-4)

    ⒆-50-28+(-24)-(-22)

    ⒇-19.8-(-20.3)-(+20.2)-10.8

    化简求值题1.若-3a3b2与5ax-1by+2是同类项,则x=______,y=______.

    2.(-y+6+3y4-y3)-(2y2-3y3+y4-7)=______.

    3.3ab-4ab+8ab-7ab+ab=______.

    4.7x-(5x-5y)-y=______.

    5.23a3bc2-15ab2c+8abc-24a3bc2-8abc=______.

    6.-7x2+6x+13x2-4x-5x2=______.

    7.2y+(-2y+5)-(3y+2)=______.

    11.(2x2-3xy+4y2)+(x2+2xy-3y2)=______.

    12.2a-(3a-2b+2)+(3a-4b-1)=______.

    13.-6x2-7x2+15x2-2x2=______.

    14.2x-(x+3y)-(-x-y)-(x-y)=______.

    16.2x+2y-[3x-2(x-y)]=______.

    17.5-(1-x)-1-(x-1)=______.

    18.( )+(4xy+7x2-y2)=10x2-xy.

    19.(4xy2-2x2y)-( )=x3-2x2y+4xy2+y3.

    21.已知A=x3-2x2+x-4,B=2x3-5x+3,计算A+B=______.

    22.已知A=x3-2x2+x-4,B=2x3-5x+3,计算A-B=______.

    23.若a=-0.2,b=0.5,代数式-(|a2b|-|ab2|)的值为______.

    一元一次方程(1)7X=5+4X

    (2)7X-(X-5)=4X-1

    (3)0.2X-0.1=2X

    (4)7(2x-1)-3(4x-1)=4(3x+2)-1;

    (5) (5y+1)+ (1-y)= (9y+1)+ (1-3y);

    (6) [ (6x+8 )-4 ]=x+2;

    (7) 20%+(1-20%)(320-x)=320×40%

    (8)2(x-2)+2=x+1

    (9)2(x-2)-3(4x-1)=9(1-x)

    (10)11x+64-2x=100-9x

    (11)15-(8-5x)=7x+(4-3x)

    (12)3(x-7)-2[9-4(2-x)]=22

    (13)3/2[2/3(1/4x-1)-2]-x=2

    (14)3X+18=52 x=34/3

    (15)4Y+11=22 y=11/4

    (16)3X*9=5 x=5/27

    (17)8Z/6=48 z=36

    (18)3X+7=59 x=52/3

    (19)4Y-69=81 y=75/4

    (20)8X*6=5 x=5/48

    (21)7Z/9=4 y=63/7

    (22)15X+8-5X=54 x=4.6

    (23)5Y*5=27 y=27/40

    (24)8x+2=10 x=1

    (25)x*8=88 x=11

    也祝你生活学习愉快!