五年级下学期分数脱式混合运算及解方程练习题

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五年级下学期分数脱式混合运算及解方程练习题

一、脱式计算:

1.4/9× 9/16- 4/3

2. 8/19 × 15/36 + 1/127

3. 121× 5/16 – 2/9 ×3

4. 18× 5/4 + 1/4

5. 16÷ 3/8 – 3/8 ÷6

6. 4/17 × 5/19 + 3/7 × 5/19

7. 5/12 -(3/2 + 4/5 )

8. 7/18 + (1/18 + 1/9 )

9. 19 × 5/6 + 5/16

10. 13/14 × 8/19 - 1/3

11. 7 × 5/49 + 3/14

12. 16 ×(1/2 + 2/3 )

13. 18 × 4/5 + 8 × 11/5

14. 311 × 5/6 – 5/6

15. 91/7 - (2/7 – 10/21 )

16. 5/91 × 18 1– 141 × 2/7

17. 4/51 × 25/16 + 2/3 × 3/4

18. 141 × 8/17 – 5/6 × 12/15

19.1 17/32 – 3/4 × 9/24

20. 31 ×1 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

31.5/9-2/3+5/9

32.8/9-(1/4-1/9)-3/4

33.3/7 × 49/9 - 4/3

34.8/9 × 15/36 + 1/27

35.12× 5/6 – 2/9 ×3

36.8× 5/4 + 1/4

37.6÷ 3/8 – 3/8 ÷6

38.4/7 × 5/9 + 3/7 × 5/9

39.5/2 -(3/2 + 4/5 )

40.7/8 + (1/8 + 1/9 )

41.9 × 5/6 + 5/6

42.3/4 × 8/9 - 1/3

43.7 × 5/49 + 3/14

44.6 ×(1/2 + 2/3 )

45.8 × 4/5 + 8 × 11/5

46.31 × 5/6 – 5/6

47.91/701 - (2/7 – 10/21 )

48.5/9 × 181 – 14 × 2/7

49.6/7 × 25/16 + 2/3 × 3/4

50.145× 8/7 – 5/6 × 12/15

51.18/33 – 3/4 × 9/24

52.5× 3/9 + 1/3

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

61. 7 × 5/49 + 3/14

62. 6 ×(1/2 + 2/3 )

63. 8 × 4/5 + 8 × 11/5

64. 31 × 5/6 – 5/6

65. 9/7 - (2/7 – 10/21 )

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

二、解方程练习题

(1)2x+8=16

(2)x/5=10

(3)x+7x=8

(4)9x-3x=6

(5)6x-8=4

(6)5x+x=9

(7)x-8=6x

(8)4/5x=20

(9)2x-6=12

(10)7x+7=14

(11)6x-6=0

(12)5x+6=11

(13)2x-8=10

(14)1/2x-8=4

(15)x-5/6=7

(16)3x+7=28

(17)3x-7=26

(18)9x-x=16

(19)24x+x=50

(20)6/7x-8=4

(30)3x-8=30

(31)6x+6=12

(32)3x-3=1

(33)5x-3x=4

(34)2x+16=19

(35)5x+8=19

(36)14-6x=8

(37)15+6x=27

(38)5-8x=4

(39)7x+8=15

(40)9-2x=1

(41)4+5x=9

(42)10-x=8

(43)8x+9=17

(44)9+6x=14

(45)x+9x=4+7

(46)2x+9=17

(47)8-4x=6

(48)6x-7=12

(49)7x-9=8 (50)x-56=1

(51)8-7x=1

(52)x-30=12

(53)6x-21=21

(54)6x-3=6

(55)9x=18

(56)4x-18=13

(57)5x+9=11

(58)6-2x=11

(59)x+4+8=23

(60)7x-12=8

(61)X-5.7=2.15

(62)15 5X-2X=18

(62)3X 0.7=5

(63)3.5×2= 4.2 x

(64)26×1.5= 2x

(65)0.5×16―16×0.2=4x

(66)9.25-X=0.403

(67)16.9÷X=0. 3

(68)X÷0.5=2.6

(69)x+13=33

(70)3 - 5x=80

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