Banco de preguntas de operaciones mixtas de matemáticas de cuarto grado de escuela primaria

2,8/9 × 15/36 + 1/27

3,12× 5/6 – 2/9 ×3

4,8× 5/4 + 1/4

5,6÷ 3/8 – 3/8 ÷6

6,4/7 × 5/9 + 3/7 × 5/9

7,5/2 -( 3/2 ​​​​+ 4/5 )

8,7/8 + ( 1/8 + 1/9 )

9,9 × 5/6 + 5/6

10,3/4 × 8/9 - 1/3

11,7 × 5/49 + 3/14

12,6 ×( 1/2 + 2/3 )

13,8 × 4/5 + 8 × 11/5

14,31 × 5/6 – 5/6

15.9/7 - ( 2/7 – 10/21 )

16.5/9 × 18 – 14 × 2/7

17.4/5 × 25/16 + 2/ 3 × 3/4

18,14 × 8/7 – 5/6 × 12/15

19,17/32 – 3/4 × 9/24

20,3 × 2/9 + 1/3

21,5/7 × 3/25 + 3/7

22,3/14 ×× 2/3 + 1/6

23,1/5 × 2/3 + 5/6

24,9/22 + 1/11 ÷ 1/2

25,5/3 × 11/5 + 4 /3

26,45 × 2/3 + 1/3 × 15

27,7/19 + 12/19 × 5/6

28,1/4 + 3 /4 ÷ 2/3

29,8/7 × 21/16 + 1/2

30,101 × 1/5 – 1/5 × 21

31,50 +160 ÷40 (58+370)÷(64-45)

32.120-144÷18+35

33.347+45×2-4160÷52

34(58+37)÷(64-9×5)

35.95÷(64-45)

36.178-145÷5×6+42 42580- 64× 21÷28

37.812-700÷(9+31×11) (136+64)×(65-345÷23)

38.85+14×(14+ 208÷ 26)

39.(284+16)×(512-8208÷18)

40.120-36×4÷18+35

41 .( 58+37)÷(64-9×5)

42.(6.8-6.8×0.55)÷8.5

43.0.12× 4.8÷0.12×4.8

44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6

45.6-1.6÷4= 5.38+7.85-5.37=

46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=

47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9

48.10.15-10.75×0.4-5.7

49.5.8×(3.87-0.13)+4.2×3.74

50.32.52-(6+9.728÷ 3.2) ×2.5

51.[(7.1-5.6)×0.9-1.15] ÷2.5

52,5,4÷[2,6×(3,7-2,9)+0,62]

53,12×6÷(12-7,2)-6 (4)12×6÷7,2-6

121 - 111 ÷ 37

(121 - 111 ÷ 37)× 5

280 + 650 ÷ 13

1000 -(280 + 650 ÷ 13)

707 - 35 × 20

(120 - 103)× 50

760 ÷ 10 ÷ 38

(95 - 19 × 5 )÷74

45 × 20 × 3

(270 + 180)÷(30 - 15)