Current location - Training Enrollment Network - Mathematics courses - There are 50 math problems (People's Education Edition) in the second volume of the eighth grade.
There are 50 math problems (People's Education Edition) in the second volume of the eighth grade.
5+2 1*8/2-6-59

68/2 1-8- 1 1*8+6 1

-2/9-7/9-56

4.6-(-3/4+ 1.6-4-3/4)

1/2+3+5/6-7/ 12

[2/3-4- 1/4*(-0.4)]/ 1/3+2

22+(-4)+(-2)+4*3

-2*8-8* 1/2+8/ 1/8

(2/3+ 1/2)/(- 1/ 12)*(- 12)

(-28)/(-6+4)+(- 1)

2/(-2)+0/7-(-8)*(-2)

( 1/4-5/6+ 1/3+2/3)/ 1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/ 15)/2/3

-3x+2y-5x-7y

-5+2 1*8/2-6-59

68/2 1-8- 1 1*8+6 1

-2/9-7/9-56

2.4-(-3/5)+(-3. 1)+4/5

(-6/ 13)+(-7/ 13)-(-2)

3/4-(- 1 1/6)+(-7/3)

1 1+(-22)-3×(- 1 1)

(-0. 1)÷ 1/2×(- 100)

2.4-(-3/5)+(-3. 1)+4/5

(-6/ 13)+(-7/ 13)-(-2)

3/4-(- 1 1/6)+(-7/3)

1 1+(-22)-3×(- 1 1)

(-0. 1)÷ 1/2×(- 100)

4.6-(-3/4+ 1.6-4-3/4)

1/2+3+5/6-7/ 12

[2/3-4- 1/4*(-0.4)]/ 1/3+2

22+(-4)+(-2)+4*3

-2*8-8* 1/2+8/ 1/8

(2/3+ 1/2)/(- 1/ 12)*(- 12)

(-28)/(-6+4)+(- 1)

2/(-2)+0/7-(-8)*(-2)

( 1/4-5/6+ 1/3+2/3)/ 1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/ 15)/2/3

-3x+2y-5x-7y。 (-8)-(- 1)

2.45+(-30)

3.- 1.5-(- 1 1.5)

4.- 1/4-(- 1/2)

5. 15-[ 1-(20-4)]

6.-40-28-(- 19)+(-24)

7.22.54+(-4.4)+(- 12.54)+4.4

8.(2/3- 1/2)-( 1/3-5/6)

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

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

20%+( 1-20%)(320-x)= 320×40%

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

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

x/3 -5 = (5-x)/2

2(x+ 1)/3 = 5(x+ 1)/6- 1

( 1/5)x+ 1 =(2x+ 1)/4

(5-2)/2 - (4+x)/3 = 1

x/3 - 1 = ( 1-x)/2

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

1 1x+64-2x = 100-9x

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

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

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

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

1 1x+64-2x = 100-9x

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

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

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

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

1.7(2x- 1)-3(4x- 1)= 4(3x+2)- 1

2.(5y+ 1)+( 1-y)=(9y+ 1)+( 1-3y)

3.[ (- 2)-4 ]=x+2

4.20%+( 1-20%)(320-x)= 320×40%

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

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

7. 1 1x+64-2x = 100-9x

8. 15-(8-5 times) = 7 times +(4-3 times)

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

10.3/2[2/3( 1/4x- 1)-2]-x = 2

1 1.5x+ 1-2x = 3x-2

12.3y-4=2y+ 1

13.87X* 13=5

14.7Z/93=4 1

15. 15X+863-65X=54

16.58Y*55=27489

17.2(x+2)+4=9

18.2(x+4)= 10

19.3(x-5)= 18

20.4x+8=2(x- 1)

2 1.3(x+3)=9+x

22.6(x/2+ 1)= 12

23.9(x+6)=63

24.2+x=2(x- 1/2)

25.8x+3( 1-x)=-2

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

27.x/3 -5 = (5-x)/2

28.2(x+ 1)/3 = 5(x+ 1)/6- 1

29.( 1/5)x+ 1 =(2x+ 1)/4

30.(5-2)/2 - (4+x)/3 = 1

15x-8(5x+ 1.5)= 18 * 1.25+x

3X+ 189=52 1

4Y+ 1 19=22

3X* 189=5

8Z/6=458

3X+77=59

4Y-6985=8 1

87X* 13=5

7Z/93=4 1

15X+863-65X=54

58Y*55=27489

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

2. 1 1x+64-2x = 100-9x

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

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

5.3/2[2/3( 1/4x- 1)-2]-x = 2

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

7.0.4(x-0.2)+ 1.5=0.7x-0.38

8.30x- 10( 10-x)= 100

9.4(x+2)=5(x-2)

10. 120-4(x+5)=25

1 1. 15x+863-65x=54

12. 12.3(x-2)+ 1 = x-(2x- 1)

13. 1 1x+64-2x = 100-9x

14. 14.59+x-25.3 1=0

15.x-48.32+78.5 1=80

16.820- 16x=45.5×8

17.(x-6)×7=2x

18.3x+x= 18

19.0.8+3.2=7.2

20. 12.5-3x=6.5

2 1. 1.2(x-0.64)=0.54

22.x+ 12.5=3.5x

23.8x-22.8= 1.2

24. 1\ 50x+ 10=60

25.2\ 60x-30=20

26.3\ 3^20x+50= 1 10

27.4\ 2x=5x-3

28.5\ 90= 10+x

29.6\ 90+20x=30

30.7\ 69 1+3x=700

1 2x- 10.3x= 15

2 0.52x-( 1-0.52)x=80

3 x/2+3x/2=7

4 3x+7=32-2x

5 3x+5( 138-x)=540

6 3x-7(x- 1)=3-2(x+3)

7 18x+3x-3 = 18-2(2x- 1)

8 3(20-y)=6y-4(y- 1 1)

9 -(x/4- 1)=5

10 3[4(5y- 1)-8]=6

( 1)-3x-6x2=7

(2)5x+ 1-2x=3x-2

(3)3y-4=2y+ 1

(4)3y-4=y+3

(5)3y-y=3+4

(6)0.4x-3=0. 1x+2

(7)5x+ 15-2x-2= 10

(8)2x-4+5-5x=- 1

(9)3X+ 189=52 1

( 10)4Y+ 1 19=22

( 1 1)3X* 189=5

( 12)8Z/6=458

( 13)3X+77=59

( 14)4Y-6985=8 1

( 15)87X* 13=5

( 16)46/x=23 x=2

( 17)64/x=8 x=8

( 18)99/x = 1 1x = 9

100! ! ! ! ! ! ! ! ! ! ! !