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

1 1.7 × 5/49 + 3/ 14

12.6 ×( 1/2 + 2/3 )

13.8 × 4/5 + 8 × 1 1/5

14.3 1 × 5/6 – 5/6

15.9/7 - ( 2/7 – 10/2 1 )

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

2 1.5/7 × 3/25 + 3/7

22.3/ 14 ×× 2/3 + 1/6

23. 1/5 × 2/3 + 5/6

24.9/22 + 1/ 1 1 ÷ 1/2

25.5/3 × 1 1/5 + 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 × 2 1/ 16 + 1/2

30. 10 1 × 1/5 – 1/5 × 2 1

3 1.[(5.84-3.9)/0.4+0. 15]*0.92

32.4.38/(36.94+34.3*0.2)

33.(284+ 16)*(5 12-8208/ 18)

34.5.4/[2.6*(3.7-2.9)+0.62]

35.[(7. 1-5.6)*0.9- 1. 15]/2.5

36.32.52-(6+9.728/3.2)*2.5

37.5.8*(3.87-0. 13)+4.2*3.7

38.8/9*[ 15/ 16*(7/ 16- 1/4)/ 1/2]

39.[5 1/2- 1.04*( 1 2/3+5/6)]/2.9

40.6 3/7 /3/7-[(7-0.5)* 1/4]

4 1.(0.75+0.2)/0.25*25%+ 12/0.75+7.2/2.4

42. 1.2 1*42-(4.46+0. 14)* 1375+450/ 18*25

43. 1+0.45/0.9-0.75- 168. 1/(4.3*2-0.4)

44.605*8+3.5-44+ 10.9-(6.6+0. 125/ 12.5%)

45.56*(56-65)*[0.325-62/30+(56/8)-65 ]

46.4/7*5/9 + 3/7*5/9-3/4 × 8/9 - 1/3

47.50+ 160/40 *(58+370)/(64-45)

48.347+45×2-4 160÷52

49.6- 1.6÷4+ 5.38+7.85-5.37

50.5.4÷[2.6×(3.7-2.9)+0.62]

5 1.3/7 × 49/9 - 4/3

52.8/9 × 15/36 + 1/27

53. 12× 5/6 – 2/9 ×3

54.8× 5/4 + 1/4

55.6÷ 3/8 – 3/8 ÷6

56.4/7 × 5/9 + 3/7 × 5/9

57.5/2 -( 3/2 + 4/5 )

58.7/8 + ( 1/8 + 1/9 )

59.9 × 5/6 + 5/6

60.3/4 × 8/9 - 1/3

6 1.7 × 5/49 + 3/ 14

62.6 ×( 1/2 + 2/3 )

63.8 × 4/5 + 8 × 1 1/5

64.3 1 × 5/6 – 5/6

65.9/7 - ( 2/7 – 10/2 1 )

66.5/9 × 18 – 14 × 2/7

67.4/5 × 25/ 16 + 2/3 × 3/4

68. 14 × 8/7 – 5/6 × 12/ 15

69. 17/32 – 3/4 × 9/24

70.3 × 2/9 + 1/3

7 1.5/7 × 3/25 + 3/7

72.3/ 14 ×× 2/3 + 1/6

73. 1/5 × 2/3 + 5/6

74.9/22 + 1/ 1 1 ÷ 1/2

75.5/3 × 1 1/5 + 4/3

76.45 × 2/3 + 1/3 × 15

77.7/ 19 + 12/ 19 × 5/6

78. 1/4 + 3/4 ÷ 2/3

79.8/7 × 2 1/ 16 + 1/2

80. 10 1 × 1/5 – 1/5 × 2 1

8 1.7/ 19