2026年天天练口算四年级数学下册人教版第60页答案
4

(1)小船图先向(
)平移了(
)格,再向(
)平移了(
)格。
(2)电灯图先向(
)平移了(
)格,再向(
)平移了(
)格。

答案

(1)下 5 右 7;(2)上 6 左 8

解析

(1)观察小船图,先确定其初始位置和最终位置。通过数对应点的平移格数,小船图先向下平移了5格,再向右平移了7格。
(2)观察电灯图,同样数对应点的平移格数,电灯图先向上平移了6格,再向左平移了8格。
17×60 =
14×50 =
5.6 - 3.8 =
86×50 =
340×3 =
8.4 - 4.5 =
190×5 =
960 + 60 =
0.37 + 0.63 =
900÷5 =
98÷2 =
21.4 - 4.04 =
7100 - 1900 =
45×40 =
0.63 - 0.18 =
68×40 =
24×50 =
7.52 + 1.8 =
3200÷400 =
25×40 =
8.6 + 2.28 =
150×50 =
100÷4 =
10 - 0.6 =
540÷30 =
38÷2 =
8 + 8.8 =
0×315 =
100 - 55 =
6.6 - 2.9 =
810÷9 =
760 + 80 =
12.7 + 5.36 =
440×2 =
29×4 =
52.63 - 4.5 =
530 + 480 =
47×20 =
0.53 + 0.44 =
84÷3 =
6.8 + 3.2 =
5.8 + 12.2 =

答案

1. $17×60 = 1020$
2. $14×50 = 700$
3. $5.6 - 3.8 = 1.8$
4. $86×50 = 4300$
5. $340×3 = 1020$
6. $8.4 - 4.5 = 3.9$
7. $190×5 = 950$
8. $960 + 60 = 1020$
9. $0.37 + 0.63 = 1$
10. $900÷5 = 180$
11. $98÷2 = 49$
12. $21.4 - 4.04 = 17.36$
13. $7100 - 1900 = 5200$
14. $45×40 = 1800$
15. $0.63 - 0.18 = 0.45$
16. $68×40 = 2720$
17. $24×50 = 1200$
18. $7.52 + 1.8 = 9.32$
19. $3200÷400 = 8$
20. $25×40 = 1000$
21. $8.6 + 2.28 = 10.88$
22. $150×50 = 7500$
23. $100÷4 = 25$
24. $10 - 0.6 = 9.4$
25. $540÷30 = 18$
26. $38÷2 = 19$
27. $8 + 8.8 = 16.8$
28. $0×315 = 0$
29. $100 - 55 = 45$
30. $6.6 - 2.9 = 3.7$
31. $810÷9 = 90$
32. $760 + 80 = 840$
33. $12.7 + 5.36 = 18.06$
34. $440×2 = 880$
35. $29×4 = 116$
36. $52.63 - 4.5 = 48.13$
37. $530 + 480 = 1010$
38. $47×20 = 940$
39. $0.53 + 0.44 = 0.97$
40. $84÷3 = 28$
41. $6.8 + 3.2 = 10$
42. $5.8 + 12.2 = 18$