20道计算题15道一元一次方程

1个回答

  • 3X+18=52 x=34/3

    4Y+11=22 y=11/4

    3X*9=5 x=5/27

    8Z/6=48 z=36

    3X+7=59 x=52/3

    4Y-69=81 y=75/4

    8X*6=5 x=5/48

    7Z/9=4 y=63/7

    15X+8-5X=54 x=4.6

    5Y*5=27 y=27/40

    8x+2=10 x=1

    x*8=88 x=11

    y-90=1 y=91

    2x-98=2 x=50

    6x*6=12 x=1/3

    5-6=5x x=-1/5

    6*x=42 x=7

    55-y=33 y=22

    11*3x=60 x=20/11

    8-y=2 y=-6

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

    14.59+x-25.31=0

    x=10.72 x-48.32+78.51=80

    x=49.81 820-16x=45.5×8

    x=28.5 (x-6)×7=2x

    x=8.4 3x+x=18

    X=4.5 0.8x+2.2=6.6

    x= 1112.5-3x=6.5

    x=2 1.2(x-0.64)=0.54

    x=1.09 x+12.5=3.5x

    x=5 8x-22.8=1.2

    x=3 简便运算方程;

    0.6x+x/10-0.2=6/5(答案:2)

    2-(3x/8+1/6÷1/3)=35/24(答案:1/9)

    3.5/105=x/33(答案:1.1)

    7.5:x=24:12(答案:3.75)

    1/3:x=5:6(答案:0.4)

    2x/3-x/5=4.9(答案:10.5)

    6.4x-2.4x=3.6(答案:0.9)

    23×2.5+2.5x=100(答案:17)

    1×2×3×4×5×6x=4×5×6×7×8(答案:28/3) 含过程方程:

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

    5Y+1+1-Y=9Y+1+1-3Y

    5Y-Y-9Y+3Y=1+1-1-1

    -2Y=0

    Y=02(x-2)+2=x+1

    2X-2+2=X+1

    2X-X=1+2-2

    X=12(x-2)-3(4x-1)=9(1-x)

    2X-4-12X+3=9-9X

    2X-12X+9X=9+4-3

    - X=10

    X=-1011x+64-2x=100-9x

    解11X-2X+9X=100-64

    18X=36

    X=215-(8-5x)=7x+(4-3x)

    解 15-8+5X=7X+4-3X

    5X-7X+3X=4+8-15

    X=-33(x-7)-2[9-4(2-x)]=22

    3X-21-2[9-8+4X]=22

    3X-21-18+16-8X=22

    3X-8X=22+21+18-16

    -5X=45

    X= -93/2[2/3(1/4x-1)-2]-x=2

    3/2[1/6X-2/3-2]-X=2

    1/4X-1-3-X=2

    1/4X-X=2+1+3

    X= -8