[00:06.04]小朋友们好
[00:07.69]让我们一块来学习加减乘除口诀
[00:14.11]请跟着我念
[00:21.98]加法
[00:23.12]1+1=2
[00:25.63]1+1=2
[00:28.10]1+2=3
[00:30.59]1+2=3
[00:33.29]1+3=4
[00:35.80]1+3=4
[00:38.46]1+4=5
[00:41.04]1+4=5
[00:43.60]1+5=6
[00:46.23]1+5=6
[00:48.84]1+6=7
[00:51.40]1+6=7
[00:54.12]1+7=8
[00:56.45]1+7=8
[00:59.32]1+8=9
[01:01.78]1+8=9
[01:04.36]1+9=10
[01:07.03]1+9=10
[01:16.52]2+1=3
[01:18.84]2+1=3
[01:21.49]2+2=4
[01:24.00]2+2=4
[01:26.73]2+3=5
[01:29.46]2+3=5
[01:32.03]2+4=6
[01:34.64]2+4=6
[01:37.33]2+5=7
[01:40.07]2+5=7
[01:42.53]2+6=8
[01:45.16]2+6=8
[01:47.85]2+7=9
[01:50.49]2+7=9
[01:53.17]2+8=10
[01:55.80]2+8=10
[02:09.40]3+1=4
[02:11.67]3+1=4
[02:14.37]3+2=5
[02:17.02]3+2=5
[02:19.69]3+3=6
[02:22.29]3+3=6
[02:25.04]3+4=7
[02:27.66]3+4=7
[02:30.33]3+5=8
[02:33.00]3+5=8
[02:35.74]3+6=9
[02:38.29]3+6=9
[02:41.05]3+7=10
[02:43.67]3+7=10
[02:54.23]4+1=5
[02:56.81]4+1=5
[02:59.44]4+2=6
[03:02.03]4+2=6
[03:04.53]4+3=7
[03:07.20]4+3=7
[03:09.80]4+4=8
[03:12.30]4+4=8
[03:15.03]4+5=9
[03:17.65]4+5=9
[03:20.18]4+6=10
[03:22.81]4+6=10
[03:36.29]5+1=6
[03:38.68]5+1=6
[03:41.41]5+2=7
[03:43.93]5+2=7
[03:46.74]5+3=8
[03:49.33]5+3=8
[03:51.99]5+4=9
[03:54.70]5+4=9
[03:57.37]5+5=10
[04:00.01]5+5=10
[04:09.47]6+1=7
[04:12.07]6+1=7
[04:14.66]6+2=8
[04:17.21]6+2=8
[04:19.92]6+3=9
[04:22.54]6+3=9
[04:25.12]6+4=10
[04:27.81]6+4=10
[04:38.61]7+1=8
[04:41.16]7+1=8
[04:43.74]7+2=9
[04:46.32]7+2=9
[04:49.17]7+3=10
[04:51.72]7+3=10
[04:54.50]8+1=9
[04:57.09]8+1=9
[04:59.78]8+2=10
[05:02.35]8+2=10
[05:05.02]9+1=10
[05:07.59]9+1=10