Abacus Mental Math Ep.2 - How to read numbers and beads on an abacus (中文 sub)
Abacus Mental Math Ep.4 - Adding and subtracting numbers on the Abacus without rules (中文 sub)
Abacus Mental Math Ep.3 - How to clear your abacus beads to a "0" position ? (中文 sub)
Finger Abacus Part 2 Full Course | Abacus Maths With Finger | Summer Camp | BYJU'S
Abacus Mental Math Ep.9 - 5's rules : +4,+3,+2,+1
Abacus Mental Math Ep.8 - Finger Abacus &10's rules : -5,-4,-3,-2,-1
Abacus Mental Maths Volume - 2 | Mental Maths Tricks for Fast Calculation | Maths Activity
Abacus Mental Math Ep.6 - 10's rules : +5,+4,+3,+2,+1 (中文 sub)
Abacus learn Math - Episode 2 - Simple addition & Subtraction
Abacus Mental Math Ep.10 - 5's rules : -4,-3,-2,-1
306x82 Nepali Multiplication on the Abacus Shorts 2nd series
51,52,53,54 Add & subtract on the Abacus English Tutorial watch full episodes #abacus
Abacus Mental Math
Abacus Mental Math Ep.13 - Review Common Rules
Abacus Mental Math Ep.5 - 10's rules : +9,+8,+7,+6 (中文 sub)
Abacus Mental Math Ep.11 - Combo rules : +9,+8,+7,+6
Abacus Mental Math Ep.12 - Combo rules : -9,-8,-7,-6
Abacus Mental Math Demonstration - Strengthen Math Facts, Improve Focus, Concentration & Memory
Division On The Abacus English Tutorial Episode 2/5 2nd series
Multiplication on the Abacus 2 Digits x 2 Digits 2nd technique
