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丁丁思维提升课相关资料（100个PDF文件） 2025-07-25 10:32:32 | |||
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四年级 40个作业 40个讲义 40个练习 2025-07-25 10:31:24 | |||
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四年级部分讲义汇总 2025-07-25 10:31:24 | |||
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01.L4-1速算与巧算（一）-.mp4 | 2025-07-25 10:31:23 | 164.16 MB | |
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02.L4-1速算与巧算（一)-作业讲解-.mp4 | 2025-07-25 10:31:23 | 37.39 MB | |
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03.L4-2速算与巧算（二）-.mp4 | 2025-07-25 10:31:21 | 134.03 MB | |
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04.L4-2速算与巧算（二)-作业讲解-.mp4 | 2025-07-25 10:31:21 | 37.28 MB | |
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05.L4-3数数图形-.mp4 | 2025-07-25 10:31:20 | 121.98 MB | |
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06.L4-3数数图形-作业讲解-.mp4 | 2025-07-25 10:31:20 | 37.9 MB | |
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07.L4-4图形面积-.mp4 | 2025-07-25 10:31:20 | 111.26 MB | |
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08.L4-4图形问题-作业讲解-.mp4 | 2025-07-25 10:31:20 | 74.22 MB | |
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09.L4-5和倍问题-.mp4 | 2025-07-25 10:31:20 | 130.89 MB | |
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10.L4-5和倍问题-作业讲解-.mp4 | 2025-07-25 10:31:19 | 44.36 MB | |
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11.L4-6植树问题-.mp4 | 2025-07-25 10:31:19 | 129.53 MB | |
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12.L4-6植树问题-作业讲解-.mp4 | 2025-07-25 10:31:19 | 44.18 MB | |
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13.L4-7算式谜（一）-.mp4 | 2025-07-25 10:31:19 | 126.61 MB | |
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14.L4-7算式谜（一)-作业讲解-.mp4 | 2025-07-25 10:31:18 | 70.72 MB | |
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15.L4-7算式谜（一）-作业讲解2-.mp4 | 2025-07-25 10:31:18 | 43.38 MB | |
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16.L4-8巧妙求和（一）-.mp4 | 2025-07-25 10:31:18 | 113.42 MB | |
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17.L4-8巧妙求和（一)-作业讲解-.mp4 | 2025-07-25 10:31:18 | 56.76 MB | |
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18.L4-9应用题（一）-.mp4 | 2025-07-25 10:31:18 | 118.73 MB | |
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19.L4-9应用题（一)-作业讲解-.mp4 | 2025-07-25 10:31:17 | 60.15 MB | |
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20.L4-10简单推理-.mp4 | 2025-07-25 10:31:17 | 85.05 MB | |
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21.L4-10简单推理-作业讲解-.mp4 | 2025-07-25 10:31:17 | 46.6 MB | |
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22.L4-11寻找规律-.mp4 | 2025-07-25 10:31:17 | 105.77 MB | |
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23.L4-11寻找规律-作业讲解-.mp4 | 2025-07-26 19:56:57 | 38.35 MB | |
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24.L4-12算式谜（二）-.mp4 | 2025-07-26 19:56:57 | 185.36 MB | |
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25.L4-12算式谜（二)-作业讲解-.mp4 | 2025-07-26 19:56:57 | 75.08 MB | |
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26.L4-13巧妙求和（二）-.mp4 | 2025-07-26 19:56:57 | 219.05 MB | |
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27.L4-13巧妙求和（二）-作业讲解-.mp4 | 2025-07-26 19:56:57 | 85.74 MB | |
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28.L4-14变化规律-.mp4 | 2025-07-26 19:57:09 | 117.12 MB | |
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29.L4-14变化规律-作业讲解-.mp4 | 2025-07-26 19:56:57 | 51.12 MB | |
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30.L4-15简单列举-.mp4 | 2025-07-26 19:56:58 | 96.66 MB | |
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31.L4-15简单列举-作业讲解-.mp4 | 2025-07-26 19:57:08 | 63.5 MB | |
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32.L4-16错中求解-.mp4 | 2025-07-26 19:56:58 | 122.22 MB | |
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33.L4-16错中求解-作业讲解-.mp4 | 2025-07-26 19:56:58 | 57.35 MB | |
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34.L4-17应用题（二）-.mp4 | 2025-07-26 19:56:58 | 118.4 MB | |
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35.L4-17应用题（二）-作业讲解-.mp4 | 2025-07-26 19:56:59 | 47.44 MB | |
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36.L4-18平均数问题-.mp4 | 2025-07-26 19:56:59 | 143.18 MB | |
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37.L4-18平均数问题-作业讲解-.mp4 | 2025-07-26 19:57:11 | 58.55 MB | |
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38.L4-19定义新运算-.mp4 | 2025-07-25 10:31:14 | 114.27 MB | |
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39.L4-19定义新运算-作业讲解-.mp4 | 2025-07-25 10:31:14 | 48.38 MB | |
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40.L4-20差倍问题-.mp4 | 2025-07-25 10:31:14 | 211.32 MB | |
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41.L4-20差倍问题-作业讲解-.mp4 | 2025-07-25 10:31:14 | 70.62 MB | |
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42.L4-21-和差问题-.mp4 | 2025-07-25 10:31:13 | 187.86 MB | |
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43.L4-21-和差问题-作业讲解-.mp4 | 2025-07-26 19:57:08 | 55.74 MB | |
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44.L4-22-巧算年龄-.mp4 | 2025-07-26 19:57:09 | 202.35 MB | |
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45.L4-22-巧算年龄-作业讲解-.mp4 | 2025-07-26 19:56:59 | 70.6 MB | |
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46.L4-23-逻辑推理-.mp4 | 2025-07-26 19:56:59 | 224.89 MB | |
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47.L4-23-逻辑推理-作业讲解-.mp4 | 2025-07-26 19:57:00 | 74.98 MB | |
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48.L4-24-鸡兔同笼（二）-.mp4 | 2025-07-26 19:57:00 | 187.44 MB | |
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49.L4-24-鸡兔同笼-作业讲解-.mp4 | 2025-07-26 19:57:00 | 80.94 MB | |
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50.L4-25-周期问题-.mp4 | 2025-07-26 19:57:02 | 154.67 MB | |
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51.L4-25-周期问题-作业讲解-.mp4 | 2025-07-26 19:57:02 | 53.29 MB | |
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52.L4-26-盈亏问题-.mp4 | 2025-07-26 19:57:09 | 205.64 MB | |
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53.L4-26-盈亏问题-作业讲解-.mp4 | 2025-07-26 19:57:02 | 90.41 MB | |
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54.L4-27-行程问题（一）-.mp4 | 2025-07-26 19:57:02 | 177.62 MB | |
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55.L4-27-行程问题(一)-作业讲解-.mp4 | 2025-07-26 19:57:03 | 44.8 MB | |
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56.L4-28-速算与巧算（三）-.mp4 | 2025-07-26 19:57:03 | 191.98 MB | |
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57.L4-28-速算与巧算(三)-作业讲解-.mp4 | 2025-07-26 19:57:03 | 43.17 MB | |
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58.L4-29-行程问题（二）-.mp4 | 2025-07-26 19:57:03 | 223.93 MB | |
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59.L4-29-行程问题(二)-作业讲解-.mp4 | 2025-07-26 19:57:04 | 64.95 MB | |
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60.L4-30-容斥问题-.mp4 | 2025-07-26 19:57:04 | 152.08 MB | |
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61.L4-30-容斥原理-作业讲解-.mp4 | 2025-07-26 19:57:08 | 57.22 MB | |
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62.L4-31-应用题（三）-.mp4 | 2025-07-25 10:31:12 | 179.91 MB | |
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63.L4-31-应用题(三)-作业讲解-.mp4 | 2025-07-26 19:57:04 | 71.81 MB | |
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64.L4-32-还原问题-.mp4 | 2025-07-26 19:57:04 | 174.36 MB | |
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65.L4-32-还原问题-作业讲解-.mp4 | 2025-07-26 19:57:04 | 60.89 MB | |
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66.L4-33-数阵-.mp4 | 2025-07-26 19:57:09 | 205.92 MB | |
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67.L4-33-数阵-作业讲解-.mp4 | 2025-07-26 19:57:05 | 43.28 MB | |
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68.L4-34-应用题（四）-.mp4 | 2025-07-26 19:57:10 | 176.3 MB | |
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69.L4-34-应用题(四)-作业讲解-.mp4 | 2025-07-26 19:57:05 | 96.23 MB | |
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70.L4-35-和差倍问题-.mp4 | 2025-07-26 19:57:05 | 182.65 MB | |
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71.L4-35-和差倍问题-作业讲解-.mp4 | 2025-07-26 19:57:05 | 62.32 MB | |
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72.L4-36-小数的加减巧算-.mp4 | 2025-07-26 19:57:05 | 155.33 MB | |
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73.L4-36-小数的加减巧算-作业讲解-.mp4 | 2025-07-26 19:57:06 | 76.3 MB | |
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74.L4-37-最优化问题-.mp4 | 2025-07-26 19:57:06 | 144.69 MB | |
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75.L4-37-最优化问题-作业讲解-.mp4 | 2025-07-26 19:57:11 | 69.41 MB | |
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76.L4-38-找次品-.mp4 | 2025-07-26 19:57:08 | 204.05 MB | |
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77.L4-38-找次品-作业讲解-.mp4 | 2025-07-26 19:57:10 | 59.97 MB | |
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78.L4-39-近似数的最值问题-.mp4 | 2025-07-26 19:57:08 | 165.9 MB | |
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79.L4-39-近似数的最值问题-作业讲解-.mp4 | 2025-07-25 10:31:10 | 42.4 MB | |
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80.L4-40-策略问题-.mp4 | 2025-07-25 10:31:09 | 185.91 MB | |
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81.L4-40-策略问题-作业讲解-.mp4 | 2025-07-25 10:31:09 | 56.21 MB | |
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82.结课啦~~必看！！-.mp4 | 2025-07-25 10:31:09 | 10.6 MB | |