Abaucs-1 ( student@work)
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Abacus Museum (student@work13)by sorobaneducationcent1,735 views- 0:25
Abacus student@workby sorobaneducationcent1,341 views
- 0:48
Abacus Cute Twin ( Oral Sums )by sorobaneducationcent1,199 views
- 0:20
Abacus Museum (student@work11)by sorobaneducationcent649 views
- 1:23
student@work2by sorobaneducationcent2,923 views
- 0:56
fingers arithmetic video 1by sorobaneducationcent6,259 views
- 0:40
Abacus Cute Twin ( 2 digit X 1 digit )by sorobaneducationcent1,142 views
- 8:09
Abacus Museum Part Oneby phyilly1,465 views
- 0:17
Abacus Museum (student@work10)by sorobaneducationcent556 views
- 5:48
The Abacus - How to Use This Ancient Wonderby RetroCalculators430,809 views
- 2:13
4 year old doing math using mental math with extreme speed and accuracy. 四岁幼儿心算表演.by Mathsecret36,153 views
- 1:11
Unfair Competitionby playabacusa1,071 views
- 0:48
Abacus Cute Twin ( + and - )by sorobaneducationcent609 views
- 0:27
Japanese Sorobanby polafson721 views
- 1:26
Szorobánosaink 2010. márciusby Diadal17199 views
- 0:15
Soroban/Mental math exam. Visualizing an Abacus.by Dataryder22,341 views
- 4:13
Abacus Museum Part Threeby phyilly1,041 views
- 0:57
MathSecret-Fast Mental Calculation by Mindy H. age 9by Mathsecret3,010 views
- 0:39
Incredible Math Calculation Videoby Mathsecret24,688 views
- 6:55
UCMAS Abacus Mental Arithmetic Audio Visualby ucmasusa61,584 views
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