详细题目如下:3/7 × 49/9 - 4/3= ; 8/9 × 15/36 + 1/27 = ; 12× 5/6 – 2/9 ×3 =
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 =
30. 101 × 1/5 – 1/5 × 2 × (1-7/5)=
31. 1 + 1/5 + 1/6 - 1/12 - 1/1=
32. 1 + 1/5 + 1/6 - 1/1 2- 1/2=
33. 1 + 1/5 + 1/6 - 1/12 - 1/3=
34. 1 + 1/5 + 1/6 - 1/12 - 1/4=
35. 1 + 1/5 + 1/6 - 1/12 - 1/5=
36. 1 + 1/5 + 1/6 - 1/12 - 1/6=
37. 1 + 1/5 + 1/6 - 1/12 - 1/7=
38. 1 + 1/5 + 1/6 - 1/12 - 1/8=
39. 1 + 1/5 + 1/6 - 1/12 - 1/9=
40. 1 + 1/5 + 1/6 - 1/12 - 1/10=
41. 2 + 3/4 X 2 - 1 ÷ 5/9 =
42. 1 + 1/5 X 1/6 - 1/12 ÷ 1/6=
43. 1 + 1/5 ÷ 1/6 - 1/12 X 1/6=
44. 1 + 1/5 + 1/6 ÷ 1/12X 1/6=
45. 1 ÷ 1/5 + 1/6 - 1/12 X 1/6=
46. 1 + 1/5 + 1/6 - 1/12 - 1/6=
47. 1 + 1/5 + 1/6 - 1/12 - 1/6=
48. 1 + 1/5 + 1/6 - 1/12 - 1/6=
49. 2 + 3/4 X 2 - 1 ÷ 5/9 =
50. 2 + 3/4 X 2 - 1 ÷ 5/9 =
51. 2 + 3/4 X 2 - 1 ÷ 5/9 =
52. 8 + 3/4 X 2 - 1 ÷ 5/9 =
53. 2/7 + 3/4 X 2 - 1 ÷ 5/9 =
54. 2/5 + 3/4 X 2 - 1 ÷ 5/9 =
55. 3/2 + 3/4 X 2 - 1 ÷ 5/9 =
56. 7 + 3/4 X 2 - 1 ÷ 5/9 =
57. 9 - 3/4 X 2 + 1 ÷ 5/9 =
58. 7 + 3/4 -2/1 ÷ 5/9 =
59. 5/2 + 3/6 X 2 - 1 ÷ 5/9 =
60. 3/2 + 3/4 X 2 - 1 ÷ 5/7 =
61. 5 + 3/4 X 2 - 1 ÷ 5/8 =
62. 5 - 3/4 X 2 - 1 + 5/8 =
63. 2 + 3/4 - 2- 1 ÷ 5/6 =
64. 5 - 3/4 X 2 + 1 ÷ 5/4 =
65. 5 + 3/4 X 2 - 1 ÷ 5/8 =
66. 6 + 3/4 X 2 - 3 ÷ 5/8 =
67. 4 + 3/4 X 2 - 1 ÷ 5/2 =
68. 5 + 3/4 X 2 - 1 ÷ 5/3 =
69. 9 + 3/4 X 2 - 1 ÷ 5/8 =
70. 5 + 3/5 X 2 - 1 ÷ 5/9 =
71. 3/2 + 3/4 X 2 - 1 ÷ 5/7 =
72. 3/2 + 3/4 X 2 - 1 ÷ 5/7 =
73. 3/2 + 3/4 X 2 - 1 ÷ 5/7 =
74. 3 + 3/4 X 2 - 1 ÷ 5/7 =
75. 3/7 + 3/4 X 2 - 13 ÷ 5/7 =
76. 3/8 + 3/4 X 2 - 15 ÷ 5/7 =
77. 3/2 + 3/4 X 2 - 10 ÷ 5/7 =
78. 3/5 + 3/4 X 2 - 1 ÷ 5/7 =
79. 3/2 + 3/4 X 2 - 1 ÷ 5/7 =
80. 3/7 + 3/4 X 2 - 1 ÷ 5/7 =
81. 3/2 + 3/4 X 2 - 10 ÷ 5/7 =
82. 3/2 + 3/4 X 2 - 1 ÷ 5/7 =
83. 3/5 + 3/4 X 21 - 4 ÷ 5/7 =
84. 3/2 + 3/4 X 2 - 16 ÷ 5/7 =
85. 3/2 + 3/4 X 24 - 10 ÷ 5/7 =
86. 3/22 + 3/4 X 2 - 9 ÷ 5/7 =
87. 3/2 + 3/4 X 2 - 1 ÷ 5/7 =
88. 3/2 + 3/4 X 2 - 91 ÷ 5/7 =
89. 3/2 + 3/4 X 2 - 1 ÷ 5/7 =
90. 3/2 + 3/4 X 2 - 91 ÷ 5/7 =
91. 3/2 + 3/4 X 2 - 21 ÷ 5/7 =
92. 3/2 + 3/4 X 2 - 1 ÷ 5/7 =
93. 3/2 + 3/4 X 2 - 91 ÷ 5/7 =
94. 3/2 + 3/4 X 2 - 1 ÷ 5/7 =
95. 3/2 + 3/5 X 2 - 1 ÷ 5/7 =
96. 3/2 + 3/4 X 2 - 1 ÷ 5/7 =
97. 3/2 + 3/4 X 2 - 6 ÷ 5/7 =
98. 3/2 + 3/4 X 2 - 4 ÷ 5/7 =
99. 3/2 + 3/4 X 2 - 7 ÷ 5/7 =
100. 3/2 + 3/4 X 2 - 2 ÷ 5/7 =
8/9 × 15/36 + 1/27
12× 5/6 – 2/9 ×3
8× 5/4 + 1/4
6÷ 3/8 – 3/8 ÷6
4/7 × 5/9 + 3/7 × 5/9
5/2 -( 3/2 + 4/5 )
7/8 + ( 1/8 + 1/9 )
9 × 5/6 + 5/6
3/4 × 8/9 - 1/3
7 × 5/49 + 3/14
6 ×( 1/2 + 2/3 )
8 × 4/5 + 8 × 11/5
31 × 5/6 – 5/6
9/7 - ( 2/7 – 10/21 )
5/9 × 18 – 14 × 2/7
4/5 × 25/16 + 2/3 × 3/4
14 × 8/7 – 5/6 × 12/15
17/32 – 3/4 × 9/24
3 × 2/9 + 1/3
5/7 × 3/25 + 3/7
3/14 ×× 2/3 + 1/6
加法:把两个数合并成一个数的运算。
减法:在已知两个加数的和与其中的一个加数,求另一个加数的运算。
乘法:求两个数乘积的运算。
(1)一个数乘整数,是求几个相同加数和的简便运算。
(2)一个数乘小数,是求这个数的十分之几、百分之几、千分之几……是多少。
(3)一个数乘分数,是求这个数的几分之几是多少。
除法:已知两个因数的积与其中的一个因数,求另一个因数的运算。
3/7 × 49/9 - 4/3= ;
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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
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+42 420+580-64×21÷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
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
54、12×6÷7.2-6
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