Problemas de cálculo de suma y resta de fracciones de escuela primaria

4.3/7 × 49/9 - 4/3

5.8/9 × 15/ 36 + 1/27

6,12× 5/6 – 2/9 ×3

7,8× 5/4 + 1/4

8,6÷ 3/ 8 – 3/8 ÷6

9.4/7 × 5/9 + 3/7 × 5/9

10.5/2 -( 3/2 ​​​​+ 4/5 )

11,7/8 + ( 1/8 + 1/9 )

12,9 × 5/6 + 5/6

13,3/4 × 8/ 9 - 1/3

14,7 × 5/49 + 3/14

15,6 ×( 1/2 + 2/3 )

16,8 × 4/ 5 + 8 × 11/5

17,31 × 5/6 – 5/6

18,9/7 - (2/7 – 10/21)

19,5/ 9 × 18 – 14 × 2/7

20,4/5 × 25/16 + 2/3 × 3/4

21,14 × 8/7 – 5/6 × 12/ 15

22.17/32 – 3/4 × 9/24

23.3 × 2/9 + 1/3

24.5/7 × 3/ 25 + 3/7

25,3/14 ×× 2/3 + 1/6

26,1/5 × 2/3 + 5/6

27,9 /22 + 1/11 ÷ 1/2

28,5/3 × 11/5 + 4/3

29,45 × 2/3 + 1/3 × 15

30,7/19 + 12/19 × 5/6

31,1/4 + 3/4 ÷ 2/3

32,8/7 × 21/16 + 1/2

33.101×1/5 – 1/5×21

34.5160÷40

35.120-144÷18+35

36.347 +45×2-4160÷52

37(58+37)÷(64-9×5)

38.95÷(64-45)

39.178-145÷5×6+42

40.812-700÷(9+31×11)

41.85+14×(14+208÷26)

43.120-36×4÷18+35

44.(58+37)÷(64-9×5)

45.(6.8-6.8×0.55 )÷ 8,5

46,0,12× 4,8÷0,12×4,8

47.(3,2×1,5+2,5)÷1,6

48,6-1,6÷4= 5.38+ 7.85-5.37=

49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=

50.6.5×(4.8-1.2×4)=

51,5,8×(3,87-0,13)+4,2×3,74

52,32,52-(6+9,728÷3,2)×2,5

53 .[(7.1 -5.6)×0.9-1.15] ÷2.5

54.5.4÷[2.6×(3.7-2.9)+0.62]

55.12×6÷(12- 7.2)-6

56.12×6÷7.2-6

57.0.68×1.9+0.32×1.9

58.58+370)÷(64-45 )

59.42580-64×21÷28

60.136+6×(65-345÷23)

15-10.75×0.4-5.7

62.18.1+(3-0.299÷0.23)×1

63.(6.8-6.8×0.55)÷8.5

64.0.12× 4.8÷0.12×4.8

65.(3.2×1.5+2.5)÷1.6

66.3.2×6+(1.5+2.5)÷1.6

67.0.68×1.9+0.32 ×1.9

68.10.15-10.75×0.4-5.7

69.5.8×(3.87-0.13)+4.2×3.74

70.32.52-( 6+9.728÷3.2)×2.5

71.[(7.1-5.6)×0.9-1.15] ÷2.5

72.5.4÷[2.6×(3.7-2.9)+ 0.62]

73.12×6÷(12-7.2)-6

74.12×6÷7.2-6

75.33.02-(148.4-90.85) ÷2.5

1) 76.(25%-695%-12%)*36

77./4*3/5+3/4*2/5

78.1-1/4+8/9/7/9

79.+1/6/3/24+2/21

80./15 *3/5

81.3/4/9/10-1/6

82./3+1/2)/5/6-1/3]/1/ 7

83./5+3/5/2+3/4

84.(2-2/3/1/2)]*2/5

85.+5268.32-2569

86.3+456-52*8

87.5%+6325

88./2+1/3 +1/4

2) 89+456-78

3) 5%+.3/7 × 49/9 - 4/3

4 ) 9 × 15/36 + 1/27

5) 2× 5/6 – 2/9 ×3

6) 3× 5/4 + 1/4

7) 94÷ 3/8 – 3/8 ÷6

8) 95/7 × 5/9 + 3/7 × 5/9

9 ) 6/2 -( 3/2 ​​​​+ 4/5 )

10) 8 + ( 1/8 + 1/9 )

11) 8 × 5/6 + 5/6

12) 1/4 × 8/9 - 1/3

13) 10 × 5/49 + 3/14

14 ) 1,5 × ( 1/2 + 2/3 )

15) 2/9 × 4/5 + 8 × 11/5

16) 3,1 × 5/6 – 5 /6

17) 4/7 - ( 2/7 – 10/21 )

18) 19 × 18 – 14 × 2/7

19 ) 5 × 25/16 + 2/3 × 3/4

20) 4 × 8/7 – 5/6 × 12/15

21) 7/32 – 3 /4×9/24

22) 1. 2/3÷1/2-1/4×2/5

2-6/13÷9/26. -2/3

3.2/9+1/2÷4/5+3/8

4. p>

5.1/2×2/5+9/10÷9/20

6.

7, 1

/2+1/4×4/5-1/8

8, 3/4×5/7×4/3-1/2

9, 23-8 /9×1/27÷1/27

10、 8×5/6+2/5÷4

11、 1/2+3/4×5/12 ×4/5

12, 8/9×3/4-3/8÷3/4

13, 5/8÷5/4+3/23÷9 /11

23) 1,2×2,5+0,8×2,5

24) 8,9×1,25-0,9×1,25

25) 12,5×7,4×0,8

26) 9.9×6.4-(2.5+0.24)(27) 6.5×9.5+6.5×0.5

0.35×1.6+0.35×3.4

0.25×8.6 ×4

6,72-3,28-1,72

0,45+6,37+4,55

5,4+6,9×3-(25-2,5)2×41846-620- 380

4,8×46+4,8×54

0,8+0,8×2,5

1,25×3,6×8×2,5-12,5×2,4

28×12.5-12.5×20

23.65-(3.07+3.65)

(4+0.4×0.25)8×7×1.25

1.65 ×99+1,65

27,85-(7,85+3,4)

48×1,25+50×1,25×0,2×8

7,8×9,9+0,78 p>

(101309+4+681+6)×12

3×9146×782×6×854

5.15×7/8+6.1 -0,60625

1,3/7 × 49/9 - 4/3

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

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30.101 × 1/5 – 1/5 × 21

1+5/6-19/12

3x(-9)+7x(-9p>

(-54)x1/6x(-1/3)