Current location - Training Enrollment Network - Mathematics courses - There must be an answer to the simple math problem 1230 in the second volume of the fourth grade.
There must be an answer to the simple math problem 1230 in the second volume of the fourth grade.
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

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 1.50+ 160÷40 (58+370)÷(64-45)

32. 120- 144÷ 18+35

33.347+45×2-4 160÷52

34(58+37)÷(64-9×5)

35.95÷(64-45)

36. 178- 145÷5×6+42 420+580-64×2 1÷28

37.8 12-700÷(9+3 1× 1 1) ( 136+64)×(65-345÷23)

38.85+ 14×( 14+208÷26)

39.(284+ 16)×(5 12-8208÷ 18)

40. 120-36×4÷ 18+35

4 1.(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

5 1.[(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

54.3/7 × 49/9 - 4/3

55.8/9 × 15/36 + 1/27

56. 12× 5/6 – 2/9 ×3

57.8× 5/4 + 1/4

58.6÷ 3/8 – 3/8 ÷6

59.4/7 × 5/9 + 3/7 × 5/9

60.5/2 -( 3/2 + 4/5 )

6 1.7/8 + ( 1/8 + 1/9 )

62.9 × 5/6 + 5/6

63.3/4 × 8/9 - 1/3

64.7 × 5/49 + 3/ 14

65.6 ×( 1/2 + 2/3 )

66.8 × 4/5 + 8 × 1 1/5

67.3 1 × 5/6 – 5/6

68.9/7 - ( 2/7 – 10/2 1 )

69.5/9 × 18 – 14 × 2/7

70.4/5 × 25/ 16 + 2/3 × 3/4

7 1. 14 × 8/7 – 5/6 × 12/ 15

72. 17/32 – 3/4 × 9/24

73.3 × 2/9 + 1/3

74.5/7 × 3/25 + 3/7

75.3/ 14 ×× 2/3 + 1/6

76. 1/5 × 2/3 + 5/6

77.9/22 + 1/ 1 1 ÷ 1/2

78.5/3 × 1 1/5 + 4/3

79.45 × 2/3 + 1/3 × 15

80.7/ 19 + 12/ 19 × 5/6

8 1. 1/4 + 3/4 ÷ 2/3

82.8/7 × 2 1/ 16 + 1/2

83. 10 1 × 1/5 – 1/5 × 2 1

84.50+ 160÷40

85. 120- 144÷ 18+35

86.347+45×2-4 160÷52

87(58+37)÷(64-9×5)

8.95÷(64-45)

89. 178- 145÷5×6+42

90.8 12-700÷(9+3 1× 1 1)

9 1.85+ 14×( 14+208÷26)

92. 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)=

5 1.5.8×(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)

59.420+580-64×2 1÷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

7 1.[(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

45+ 15×6= 135

2.250÷5×8=400

3.6×5÷2×4=60

4.30×3+8=98

5.400÷4+20×5= 200

6. 10+ 12÷3+20=34

7.(80÷20+80)÷4=2 1

8.70+( 100- 10×5)= 120

9.360÷40+ 10= 19

10.40×20-200= 600

1 1.(80-25)*2= 1 10

12.70+45= 1 15

13.90×2÷3= 60

14. 16×6÷3= 32

15.300×6÷9= 200

16.540÷9×7=420

17.30×20÷ 15= 20

18.400÷4×7= 700

19.(350-80)÷9= 30

20. 160+70+50=280

2 1. 18-64÷8= 10

22.42÷6+20=27

23.40-5×7= 5

24.80+60÷3= 100

25.4 1+ 18÷2= 50

26.75- 1 1×5= 20

27.42+7-29= 20

28.5600÷80=70

29.25× 16÷4= 100

30. 120×25÷5= 600

3 1.36× 1 1÷3= 132

32. 1025÷25×8=328

33.336+70-6= 400

34.25×9×4= 900

35.200-33×3= 10 1

36.3020- 10 10=20 10

37. 12×50+ 10= 6 10

38.25×8+ 199= 399

39.23× 1 1- 13= 240

40. 125÷25-5=0

4 1.4200-2200+200=2200

42.220+80- 150= 150

43.20×8×5= 800

44.600-3×200=0

This is all I found.