同步口算题卡四年级下册参考答案 2018北师大版

2018北师大版同步口算题卡四年级下册的参考答案主要包括了多种类型的题目，涵盖了加减乘除、混合运算等基本计算内容。

在四年级下册数学教材中，竖式口算题卡旨在帮助学生熟练掌握竖式计算，提高他们的口算能力。以下是一些典型题目及其参考答案：

1. 加法和减法：

- 5 + 3.9 = 8.9

- 22 + 0 = 22

- 88 = 0

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04 = 33.96

- 5.9 + 2 = 8.9

- 8 - 5.8 = 2.2

- 2 + 0.7 = 2.7

- 34 - 0.04

数学学习不管几年级都要举一反三，精益求精。对于四年级的孩子要学会总结，学会变通，学会扣难题，这样才能学好数学

2018北师大版同步口算题卡四年级下册参考答案
掌握竖式计算，提升口算能力
1. 5。8-3.9=
2. 22+0。88=
3. 2+0.7 =
4. 34-0.04=
5. 5.9+2。8=
6. 25.8—5。8=
7. 7.2—6.4=
8. 220÷5=
9. 5.5+2。7=
10. 2。2+4。9=
11. 5。5+2。7=
12. 2。6-0.5=
13. 6.1-3=
14. 70—0.5=
15. 5.32+6。15=
16. 2。13+3。45=
17. 3。23+4。12=
18. 4。12+6。23=
19. 6。12+5。14=
20. 8。60-6。39=
21. 8。49—6。31=
22. 104÷1－5=
23. 1194－6＝
24. 164＋3÷8=
25. 1310÷40＝
26. 140＋84 ...
27. 47. 5 + 6 =
28. 48. 11 - 5 =
29. 49. 3 + 9 =
30. 50. 9 - 4 =
31. 51. 7 + 5 =
32. 52. 10 - 6 =
33. 53. 6 + 8 =
34. 54. 12 - 7 =
35. 36. 25 ÷ 5 ...