Current location - Training Enrollment Network - Mathematics courses - Junior middle school rational number mixed operation exercises
Junior middle school rational number mixed operation exercises
1.2 100-2 1×53+2255

2.( 103-336÷2 1)× 15

3.800-(2000-9600÷8)

4.40×48-( 1472+328)÷5

5.(488+344)÷(202- 194)

6.2940÷28+ 136×7

7.605×(500-494)- 1898

8.(2886+66 18)÷(400-346)

9.9 125-( 182+35×22)

10.( 154-76)×(38+49)

1 1.3800- 136×9-798

12.( 104+246)×(98÷7)

13.9 18÷9×( 108-99)

14.(8645+40×40)÷5

15.(2944+864)÷( 1 13-79)

16.8080- 1877+ 188 1÷3

17.(50 1 1-43×85)+3397

18.2300- 1 122÷(2 1- 15)

19.8 16÷(4526-25 1× 18)

20.(7353+927)÷(80 1-792)

2 1.(28+ 172)÷(24+ 16)

22.6240÷48+63×48

23.950-28×6+666

24.86×(35+ 1 17÷9)

25.2500+(360- 160÷4)

26. 16×4+6×3

27.39÷3+48÷6

28.24×4-42÷3

29.7×6- 12×3

30.56÷4+72÷8

( 1) (-9)-(- 13)+(-20)+(-2)

(2) 3+ 13-(-7)/6

(3) (-2)-8- 14- 13

(4) (-7)*(- 1)/7+8

(5) (- 1 1)*4-(- 18)/ 18

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

(7) (- 17)-6- 16/(- 18)

(8) 5/7+(- 1)-(-8)

(9) (- 1)*(- 1)+ 15+ 1

( 10) 3-(-5)*3/(- 15)

( 1 1) 6*(- 14)-(- 14)+(- 13)

( 12) (- 15)*(- 13)-(- 17)-(-4)

( 13) (-20)/ 13/(-7)+ 1 1

( 14) 8+(- 1)/7+(-4)

( 15) (- 13)-(-9)* 16*(- 12)

( 16) (- 1)+4* 19+(-2)

( 17) (- 17)*(-9)-20+(-6)

( 18) (-5)/ 12-(- 16)*(- 15)

( 19) (-3)- 13*(-5)* 13

(20) 5+(-7)+ 17- 10

(2 1) (- 10)-(- 16)- 13*(- 16)

(22) (- 14)+4- 19- 12

(23) 5* 13/ 14/(- 10)

(24) 3* 1* 17/(- 10)

(25) 6+(- 12)+ 15-(- 15)

(26) 15/9/ 13+(-7)

(27) 2/(- 10)* 1-(-8)

(28) 1 1/(- 19)+(- 14)-5

(29) 19- 16+ 18/(- 1 1)

(30) (- 1)/ 19+(-5)+ 1