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$\dfrac{4}{9}× 3= $
$0× \dfrac{1}{6}= $
$\dfrac{1}{7}× 14= $
$\dfrac{6}{7}× \dfrac{3}{2}= $
$\dfrac{5}{3}÷ 5= $
$3÷ \dfrac{3}{16}= $
$\dfrac{3}{8}× \dfrac{16}{5}= $
$\dfrac{8}{5}÷ 1.6= $
$\dfrac{2}{9}× 2= $
$\dfrac{75}{8}÷ 5= $
$\dfrac{5}{3}+\dfrac{3}{5}= $
$\dfrac{15}{8}÷ 5= $
$\dfrac{5}{3}÷ \dfrac{5}{3}= $
$\dfrac{1}{2}÷ 20\%= $
$12÷ \dfrac{3}{4}= $
$\dfrac{21}{25}÷ 42= $
$\dfrac{4}{3}$
$5÷ \dfrac{1}{3}= $$15$
$\dfrac{1}{2}÷ \dfrac{1}{3}= $$\dfrac{3}{2}$
$\dfrac{2}{7}× \dfrac{2}{7}= $$\dfrac{4}{49}$
$0× \dfrac{1}{6}= $
$0$
$\dfrac{4}{5}× \dfrac{3}{4}= $$\dfrac{3}{5}$
$8.7× 0.2= $$1.74$
$4× 0.25= $$1$
$\dfrac{1}{7}× 14= $
$2$
$\dfrac{2}{3}÷ \dfrac{5}{6}= $$\dfrac{4}{5}$
$2.5× 8= $$20$
$\dfrac{5}{3}÷ \dfrac{5}{8}= $$\dfrac{8}{3}$
$\dfrac{6}{7}× \dfrac{3}{2}= $
$\dfrac{9}{7}$
$6× 1.2= $$7.2$
$\dfrac{4}{11}÷ 4= $$\dfrac{1}{11}$
$\dfrac{4}{9}× \dfrac{3}{8}= $$\dfrac{1}{6}$
$\dfrac{5}{3}÷ 5= $
$\dfrac{1}{3}$
$\dfrac{4}{3}× \dfrac{3}{8}= $$\dfrac{1}{2}$
$\dfrac{2}{3}-\dfrac{3}{8}= $$\dfrac{7}{24}$
$\dfrac{2}{7}× 2= $$\dfrac{4}{7}$
$3÷ \dfrac{3}{16}= $
$16$
$12× \dfrac{9}{4}= $$27$
$\dfrac{2}{3}× 5= $$\dfrac{10}{3}$
$\dfrac{5}{8}× \dfrac{16}{3}= $$\dfrac{10}{3}$
$\dfrac{3}{8}× \dfrac{16}{5}= $
$\dfrac{6}{5}$
$0.7× \dfrac{16}{7}= $$1.6$
$4-\dfrac{3}{11}= $$\dfrac{41}{11}$
$5× \dfrac{15}{8}= $$\dfrac{75}{8}$
$\dfrac{8}{5}÷ 1.6= $
$1$
$\dfrac{5}{3}× 5= $$\dfrac{25}{3}$
$0÷ \dfrac{8}{3}= $$0$
$\dfrac{4}{7}+\dfrac{9}{14}= $$\dfrac{17}{14}$
$\dfrac{2}{9}× 2= $
$\dfrac{4}{9}$
$\dfrac{7}{12}× 4= $$\dfrac{7}{3}$
$\dfrac{3}{16}÷ 9= $$\dfrac{1}{48}$
$4÷ \dfrac{9}{4}= $$\dfrac{16}{9}$
$\dfrac{75}{8}÷ 5= $
$\dfrac{15}{8}$
$12× \dfrac{16}{9}= $$\dfrac{64}{3}$
$\dfrac{2}{3}× 3= $$2$
$8÷ \dfrac{9}{4}= $$\dfrac{32}{9}$
$\dfrac{5}{3}+\dfrac{3}{5}= $
$\dfrac{34}{15}$
$\dfrac{5}{12}× 4= $$\dfrac{5}{3}$
$4÷ \dfrac{16}{3}= $$\dfrac{3}{4}$
$27÷ \dfrac{9}{4}= $$12$
$\dfrac{15}{8}÷ 5= $
$\dfrac{3}{8}$
$18× \dfrac{16}{9}= $$32$
$\dfrac{2}{3}× 60\%= $$\dfrac{2}{5}$
$1÷ \dfrac{2}{19}= $$\dfrac{19}{2}$
$\dfrac{5}{3}÷ \dfrac{5}{3}= $
$1$
$\dfrac{4}{5}× \dfrac{5}{8}= $$\dfrac{1}{2}$
$\dfrac{7}{9}× \dfrac{9}{7}= $$1$
$\dfrac{3}{4}-0.25= $$\dfrac{1}{2}$
$\dfrac{1}{2}÷ 20\%= $
$\dfrac{5}{2}$
$\dfrac{5}{7}× \dfrac{14}{5}= $$2$
$5-\dfrac{3}{4}= $$\dfrac{17}{4}$
$\dfrac{5}{18}÷ 2= $$\dfrac{5}{36}$
$12÷ \dfrac{3}{4}= $
$16$
$3÷ \dfrac{5}{3}= $$\dfrac{9}{5}$
$\dfrac{2}{7}× \dfrac{2}{3}= $$\dfrac{4}{21}$
$28÷ \dfrac{14}{3}= $$6$
$\dfrac{21}{25}÷ 42= $
$\dfrac{1}{50}$
$\dfrac{2}{3}× \dfrac{1}{2}= $$\dfrac{1}{3}$
$\dfrac{4}{5}-\dfrac{1}{2}= $$\dfrac{3}{10}$
$\dfrac{5}{6}× \dfrac{7}{8}= $$\dfrac{35}{48}$
答案：
1. $\frac{4}{9} × 3 = \frac{4}{3}$
2. $5 ÷ \frac{1}{3} = 15$
3. $\frac{1}{2} ÷ \frac{1}{3} = \frac{3}{2}$
4. $\frac{2}{7} × \frac{2}{7} = \frac{4}{49}$
5. $0 × \frac{1}{6} = 0$
6. $\frac{4}{5} × \frac{3}{4} = \frac{3}{5}$
7. $8.7 × 0.2 = 1.74$
8. $4 × 0.25 = 1$
9. $\frac{1}{7} × 14 = 2$
10. $\frac{2}{3} ÷ \frac{5}{6} = \frac{4}{5}$
11. $2.5 × 8 = 20$
12. $\frac{5}{3} ÷ \frac{5}{8} = \frac{8}{3}$
13. $\frac{6}{7} × \frac{3}{2} = \frac{9}{7}$
14. $6 × 1.2 = 7.2$
15. $\frac{4}{11} ÷ 4 = \frac{1}{11}$
16. $\frac{4}{9} × \frac{3}{8} = \frac{1}{6}$
17. $\frac{5}{3} ÷ 5 = \frac{1}{3}$
18. $\frac{4}{3} × \frac{3}{8} = \frac{1}{2}$
19. $\frac{2}{3} - \frac{3}{8} = \frac{7}{24}$
20. $\frac{2}{7} × 2 = \frac{4}{7}$
21. $3 ÷ \frac{3}{16} = 16$
22. $12 × \frac{9}{4} = 27$
23. $\frac{2}{3} × 5 = \frac{10}{3}$
24. $\frac{5}{8} × \frac{16}{3} = \frac{10}{3}$
25. $\frac{3}{8} × \frac{16}{5} = \frac{6}{5}$
26. $0.7 × \frac{16}{7} = 1.6$
27. $4 - \frac{3}{11} = \frac{41}{11}$
28. $5 × \frac{15}{8} = \frac{75}{8}$
29. $\frac{8}{5} ÷ 1.6 = 1$
30. $\frac{5}{3} × 5 = \frac{25}{3}$
31. $0 ÷ \frac{8}{3} = 0$
32. $\frac{4}{7} + \frac{9}{14} = \frac{17}{14}$
33. $\frac{2}{9} × 2 = \frac{4}{9}$
34. $\frac{7}{12} × 4 = \frac{7}{3}$
35. $\frac{3}{16} ÷ 9 = \frac{1}{48}$
36. $4 ÷ \frac{9}{4} = \frac{16}{9}$
37. $\frac{75}{8} ÷ 5 = \frac{15}{8}$
38. $12 × \frac{16}{9} = \frac{64}{3}$
39. $\frac{2}{3} × 3 = 2$
40. $8 ÷ \frac{9}{4} = \frac{32}{9}$
41. $\frac{5}{3} + \frac{3}{5} = \frac{34}{15}$
42. $\frac{5}{12} × 4 = \frac{5}{3}$
43. $4 ÷ \frac{16}{3} = \frac{3}{4}$
44. $27 ÷ \frac{9}{4} = 12$
45. $\frac{15}{8} ÷ 5 = \frac{3}{8}$
46. $18 × \frac{16}{9} = 32$
47. $\frac{2}{3} × 60\% = \frac{2}{5}$
48. $1 ÷ \frac{2}{19} = \frac{19}{2}$
49. $\frac{5}{3} ÷ \frac{5}{3} = 1$
50. $\frac{4}{5} × \frac{5}{8} = \frac{1}{2}$
51. $\frac{7}{9} × \frac{9}{7} = 1$
52. $\frac{3}{4} - 0.25 = \frac{1}{2}$
53. $\frac{1}{2} ÷ 20\% = \frac{5}{2}$
54. $\frac{5}{7} × \frac{14}{5} = 2$
55. $5 - \frac{3}{4} = \frac{17}{4}$
56. $\frac{5}{18} ÷ 2 = \frac{5}{36}$
57. $12 ÷ \frac{3}{4} = 16$
58. $3 ÷ \frac{5}{3} = \frac{9}{5}$
59. $\frac{2}{7} × \frac{2}{3} = \frac{4}{21}$
60. $28 ÷ \frac{14}{3} = 6$
61. $\frac{21}{25} ÷ 42 = \frac{1}{50}$
62. $\frac{2}{3} × \frac{1}{2} = \frac{1}{3}$
63. $\frac{4}{5} - \frac{1}{2} = \frac{3}{10}$
64. $\frac{5}{6} × \frac{7}{8} = \frac{35}{48}$
2. $5 ÷ \frac{1}{3} = 15$
3. $\frac{1}{2} ÷ \frac{1}{3} = \frac{3}{2}$
4. $\frac{2}{7} × \frac{2}{7} = \frac{4}{49}$
5. $0 × \frac{1}{6} = 0$
6. $\frac{4}{5} × \frac{3}{4} = \frac{3}{5}$
7. $8.7 × 0.2 = 1.74$
8. $4 × 0.25 = 1$
9. $\frac{1}{7} × 14 = 2$
10. $\frac{2}{3} ÷ \frac{5}{6} = \frac{4}{5}$
11. $2.5 × 8 = 20$
12. $\frac{5}{3} ÷ \frac{5}{8} = \frac{8}{3}$
13. $\frac{6}{7} × \frac{3}{2} = \frac{9}{7}$
14. $6 × 1.2 = 7.2$
15. $\frac{4}{11} ÷ 4 = \frac{1}{11}$
16. $\frac{4}{9} × \frac{3}{8} = \frac{1}{6}$
17. $\frac{5}{3} ÷ 5 = \frac{1}{3}$
18. $\frac{4}{3} × \frac{3}{8} = \frac{1}{2}$
19. $\frac{2}{3} - \frac{3}{8} = \frac{7}{24}$
20. $\frac{2}{7} × 2 = \frac{4}{7}$
21. $3 ÷ \frac{3}{16} = 16$
22. $12 × \frac{9}{4} = 27$
23. $\frac{2}{3} × 5 = \frac{10}{3}$
24. $\frac{5}{8} × \frac{16}{3} = \frac{10}{3}$
25. $\frac{3}{8} × \frac{16}{5} = \frac{6}{5}$
26. $0.7 × \frac{16}{7} = 1.6$
27. $4 - \frac{3}{11} = \frac{41}{11}$
28. $5 × \frac{15}{8} = \frac{75}{8}$
29. $\frac{8}{5} ÷ 1.6 = 1$
30. $\frac{5}{3} × 5 = \frac{25}{3}$
31. $0 ÷ \frac{8}{3} = 0$
32. $\frac{4}{7} + \frac{9}{14} = \frac{17}{14}$
33. $\frac{2}{9} × 2 = \frac{4}{9}$
34. $\frac{7}{12} × 4 = \frac{7}{3}$
35. $\frac{3}{16} ÷ 9 = \frac{1}{48}$
36. $4 ÷ \frac{9}{4} = \frac{16}{9}$
37. $\frac{75}{8} ÷ 5 = \frac{15}{8}$
38. $12 × \frac{16}{9} = \frac{64}{3}$
39. $\frac{2}{3} × 3 = 2$
40. $8 ÷ \frac{9}{4} = \frac{32}{9}$
41. $\frac{5}{3} + \frac{3}{5} = \frac{34}{15}$
42. $\frac{5}{12} × 4 = \frac{5}{3}$
43. $4 ÷ \frac{16}{3} = \frac{3}{4}$
44. $27 ÷ \frac{9}{4} = 12$
45. $\frac{15}{8} ÷ 5 = \frac{3}{8}$
46. $18 × \frac{16}{9} = 32$
47. $\frac{2}{3} × 60\% = \frac{2}{5}$
48. $1 ÷ \frac{2}{19} = \frac{19}{2}$
49. $\frac{5}{3} ÷ \frac{5}{3} = 1$
50. $\frac{4}{5} × \frac{5}{8} = \frac{1}{2}$
51. $\frac{7}{9} × \frac{9}{7} = 1$
52. $\frac{3}{4} - 0.25 = \frac{1}{2}$
53. $\frac{1}{2} ÷ 20\% = \frac{5}{2}$
54. $\frac{5}{7} × \frac{14}{5} = 2$
55. $5 - \frac{3}{4} = \frac{17}{4}$
56. $\frac{5}{18} ÷ 2 = \frac{5}{36}$
57. $12 ÷ \frac{3}{4} = 16$
58. $3 ÷ \frac{5}{3} = \frac{9}{5}$
59. $\frac{2}{7} × \frac{2}{3} = \frac{4}{21}$
60. $28 ÷ \frac{14}{3} = 6$
61. $\frac{21}{25} ÷ 42 = \frac{1}{50}$
62. $\frac{2}{3} × \frac{1}{2} = \frac{1}{3}$
63. $\frac{4}{5} - \frac{1}{2} = \frac{3}{10}$
64. $\frac{5}{6} × \frac{7}{8} = \frac{35}{48}$
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