《2025年综合学习与评估六年级数学上册人教版》

$1-\dfrac{2}{3}=$$\dfrac{1}{3}$
$\dfrac{8}{9}÷ \dfrac{8}{9}=$1
$\dfrac{2}{9}× \dfrac{3}{6}=$$\dfrac{1}{9}$
$\dfrac{5}{6}-\dfrac{2}{3}=$$\dfrac{1}{6}$
$9÷ \dfrac{3}{4}=$12
$\dfrac{3}{4}× \dfrac{3}{8}=$$\dfrac{9}{32}$
$\dfrac{2}{9}× 81=$18
$26× \dfrac{12}{13}=$24
$6× \dfrac{1}{7}=$$\dfrac{6}{7}$
$\dfrac{7}{10}× \dfrac{5}{7}=$$\dfrac{1}{2}$
$\dfrac{2}{3}× \dfrac{2}{3}=$$\dfrac{4}{9}$
$\dfrac{6}{7}+6=$$\dfrac{48}{7}$
$\dfrac{2}{5}× \dfrac{1}{2}=$$\dfrac{1}{5}$
$\dfrac{8}{9}× 4=$$\dfrac{32}{9}$
$0.5-\dfrac{1}{4}=$$\dfrac{1}{4}$
$\dfrac{14}{45}× \dfrac{15}{21}=$$\dfrac{2}{9}$
$\dfrac{1}{4}+1.75=$2
$88÷ \dfrac{22}{3}=$12
$\dfrac{1}{2}+\dfrac{1}{2}=$1
$4× \dfrac{3}{4}=$3
$\dfrac{3}{8}÷ \dfrac{4}{5}=$$\dfrac{15}{32}$
$15÷ 12=$$\dfrac{5}{4}$
$10÷ \dfrac{5}{8}=$16
$\dfrac{1}{3}÷ 4=$$\dfrac{1}{12}$
$\dfrac{5}{4}× \dfrac{4}{5}=$1
$\dfrac{17}{15}× 60=$68
$\dfrac{12}{58}× \dfrac{29}{36}=$$\dfrac{1}{6}$
$12÷ \dfrac{1}{3}=$36
$\dfrac{3}{4}× 8=$6
$\dfrac{4}{5}-\dfrac{7}{10}=$$\dfrac{1}{10}$
$10÷ \dfrac{5}{7}=$14
$\dfrac{6}{7}× \dfrac{2}{3}=$$\dfrac{4}{7}$
$\dfrac{1}{2}÷ \dfrac{5}{6}=$$\dfrac{3}{5}$
$\dfrac{3}{5}× \dfrac{2}{3}=$$\dfrac{2}{5}$
$\dfrac{5}{4}× \dfrac{12}{5}=$3
$\dfrac{8}{9}÷ 4=$$\dfrac{2}{9}$
$8.4÷ 4.2=$2
$5× \dfrac{2}{11}=$$\dfrac{10}{11}$
$\dfrac{21}{4}× \dfrac{4}{7}=$3
$\dfrac{1}{3}× 27=$9
$\dfrac{3}{4}× \dfrac{2}{3}=$$\dfrac{1}{2}$
$14× \dfrac{5}{7}=$10
$5-\dfrac{5}{7}=$$\dfrac{30}{7}$
$8× 125\%=$10
$12.2+8\%=$12.28
$\dfrac{7}{8}-\dfrac{3}{4}=$$\dfrac{1}{8}$
$\dfrac{2}{3}÷ \dfrac{3}{2}=$$\dfrac{4}{9}$
$\dfrac{1}{6}× 8=$$\dfrac{4}{3}$
$\dfrac{4}{5}× 3=$$\dfrac{12}{5}$
$\dfrac{3}{22}× 11=$$\dfrac{3}{2}$
$\dfrac{1}{4}× 8=$2
$\dfrac{1}{4}+3=$$\dfrac{13}{4}$
$6÷ \dfrac{2}{7}=$21
$0÷ \dfrac{5}{6}=$0
$\dfrac{4}{5}-\dfrac{1}{3}=$$\dfrac{7}{15}$
$\dfrac{3}{8}× \dfrac{4}{5}=$$\dfrac{3}{10}$
$\dfrac{8}{3}÷ \dfrac{8}{3}=$1
$1÷ 2.3=$$\dfrac{10}{23}$
$0.25÷ \dfrac{3}{4}=$$\dfrac{1}{3}$
$12÷ 9=$$\dfrac{4}{3}$
$\dfrac{7}{6}× \dfrac{5}{3}=$$\dfrac{35}{18}$
$\dfrac{1}{2}÷ \dfrac{1}{3}=$$\dfrac{3}{2}$
$\dfrac{1}{2}× \dfrac{1}{3}=$$\dfrac{1}{6}$
$\dfrac{1}{2}÷ \dfrac{3}{10}=$$\dfrac{5}{3}$

答案： 1. $1 - \dfrac{2}{3} = \dfrac{1}{3}$
2. $\dfrac{8}{9} ÷ \dfrac{8}{9} = 1$
3. $\dfrac{2}{9} × \dfrac{3}{6} = \dfrac{6}{54} = \dfrac{1}{9}$
4. $\dfrac{5}{6} - \dfrac{2}{3} = \dfrac{5}{6} - \dfrac{4}{6} = \dfrac{1}{6}$
5. $9 ÷ \dfrac{3}{4} = 9 × \dfrac{4}{3} = 12$
6. $\dfrac{3}{4} × \dfrac{3}{8} = \dfrac{9}{32}$
7. $\dfrac{2}{9} × 81 = 18$
8. $26 × \dfrac{12}{13} = 24$
9. $6 × \dfrac{1}{7} = \dfrac{6}{7}$
10. $\dfrac{7}{10} × \dfrac{5}{7} = \dfrac{35}{70} = \dfrac{1}{2}$
11. $\dfrac{2}{3} × \dfrac{2}{3} = \dfrac{4}{9}$
12. $\dfrac{6}{7} + 6 = \dfrac{6}{7} + \dfrac{42}{7} = \dfrac{48}{7}$
13. $\dfrac{2}{5} × \dfrac{1}{2} = \dfrac{2}{10} = \dfrac{1}{5}$
14. $\dfrac{8}{9} × 4 = \dfrac{32}{9}$
15. $0.5 - \dfrac{1}{4} = \dfrac{1}{2} - \dfrac{1}{4} = \dfrac{1}{4}$
16. $\dfrac{14}{45} × \dfrac{15}{21} = \dfrac{210}{945} = \dfrac{2}{9}$
17. $\dfrac{1}{4} + 1.75 = \dfrac{1}{4} + \dfrac{7}{4} = 2$
18. $88 ÷ \dfrac{22}{3} = 88 × \dfrac{3}{22} = 12$
19. $\dfrac{1}{2} + \dfrac{1}{2} = 1$
20. $4 × \dfrac{3}{4} = 3$
21. $\dfrac{3}{8} ÷ \dfrac{4}{5} = \dfrac{3}{8} × \dfrac{5}{4} = \dfrac{15}{32}$
22. $15 ÷ 12 = \dfrac{15}{12} = \dfrac{5}{4}$
23. $10 ÷ \dfrac{5}{8} = 10 × \dfrac{8}{5} = 16$
24. $\dfrac{1}{3} ÷ 4 = \dfrac{1}{3} × \dfrac{1}{4} = \dfrac{1}{12}$
25. $\dfrac{5}{4} × \dfrac{4}{5} = 1$
26. $\dfrac{17}{15} × 60 = 68$
27. $\dfrac{12}{58} × \dfrac{29}{36} = \dfrac{348}{2088} = \dfrac{1}{6}$
28. $12 ÷ \dfrac{1}{3} = 12 × 3 = 36$
29. $\dfrac{3}{4} × 8 = 6$
30. $\dfrac{4}{5} - \dfrac{7}{10} = \dfrac{8}{10} - \dfrac{7}{10} = \dfrac{1}{10}$
31. $10 ÷ \dfrac{5}{7} = 10 × \dfrac{7}{5} = 14$
32. $\dfrac{6}{7} × \dfrac{2}{3} = \dfrac{12}{21} = \dfrac{4}{7}$
33. $\dfrac{1}{2} ÷ \dfrac{5}{6} = \dfrac{1}{2} × \dfrac{6}{5} = \dfrac{6}{10} = \dfrac{3}{5}$
34. $\dfrac{3}{5} × \dfrac{2}{3} = \dfrac{6}{15} = \dfrac{2}{5}$
35. $\dfrac{5}{4} × \dfrac{12}{5} = \dfrac{60}{20} = 3$
36. $\dfrac{8}{9} ÷ 4 = \dfrac{8}{9} × \dfrac{1}{4} = \dfrac{8}{36} = \dfrac{2}{9}$
37. $8.4 ÷ 4.2 = 2$
38. $5 × \dfrac{2}{11} = \dfrac{10}{11}$
39. $\dfrac{21}{4} × \dfrac{4}{7} = \dfrac{84}{28} = 3$
40. $\dfrac{1}{3} × 27 = 9$
41. $\dfrac{3}{4} × \dfrac{2}{3} = \dfrac{6}{12} = \dfrac{1}{2}$
42. $14 × \dfrac{5}{7} = 10$
43. $5 - \dfrac{5}{7} = \dfrac{35}{7} - \dfrac{5}{7} = \dfrac{30}{7}$
44. $8 × 125\% = 8 × 1.25 = 10$
45. $12.2 + 8\% = 12.2 + 0.08 = 12.28$
46. $\dfrac{7}{8} - \dfrac{3}{4} = \dfrac{7}{8} - \dfrac{6}{8} = \dfrac{1}{8}$
47. $\dfrac{2}{3} ÷ \dfrac{3}{2} = \dfrac{2}{3} × \dfrac{2}{3} = \dfrac{4}{9}$
48. $\dfrac{1}{6} × 8 = \dfrac{8}{6} = \dfrac{4}{3}$
49. $\dfrac{4}{5} × 3 = \dfrac{12}{5}$
50. $\dfrac{3}{22} × 11 = \dfrac{33}{22} = \dfrac{3}{2}$
51. $\dfrac{1}{4} × 8 = 2$
52. $\dfrac{1}{4} + 3 = \dfrac{1}{4} + \dfrac{12}{4} = \dfrac{13}{4}$
53. $6 ÷ \dfrac{2}{7} = 6 × \dfrac{7}{2} = 21$
54. $0 ÷ \dfrac{5}{6} = 0$
55. $\dfrac{4}{5} - \dfrac{1}{3} = \dfrac{12}{15} - \dfrac{5}{15} = \dfrac{7}{15}$
56. $\dfrac{3}{8} × \dfrac{4}{5} = \dfrac{12}{40} = \dfrac{3}{10}$
57. $\dfrac{8}{3} ÷ \dfrac{8}{3} = 1$
58. $1 ÷ 2.3 = \dfrac{10}{23}$
59. $0.25 ÷ \dfrac{3}{4} = \dfrac{1}{4} ÷ \dfrac{3}{4} = \dfrac{1}{4} × \dfrac{4}{3} = \dfrac{1}{3}$
60. $12 ÷ 9 = \dfrac{12}{9} = \dfrac{4}{3}$
61. $\dfrac{7}{6} × \dfrac{5}{3} = \dfrac{35}{18}$
62. $\dfrac{1}{2} ÷ \dfrac{1}{3} = \dfrac{1}{2} × 3 = \dfrac{3}{2}$
63. $\dfrac{1}{2} × \dfrac{1}{3} = \dfrac{1}{6}$
64. $\dfrac{1}{2} ÷ \dfrac{3}{10} = \dfrac{1}{2} × \dfrac{10}{3} = \dfrac{10}{6} = \dfrac{5}{3}$