Видео с ютуба Big Friend Formula

Abacus Tutorials | Lesson - Formula In Big Friend | Abacus Classes

Learn Big Friend Addition Formula (+9 = +10 - 1)🤩|When & how to use (+9 = +10 - 1)🥰|Level 1 abacus 👆

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Big Friend Formula Abacus in Hindi ||Addition and Substraction ||Abacus ||Level 1 ||Fast Calculation

Abacus: Big Friend Formula (Addition/Subtraction)

Abacus Big Friend Formula |Addition/Subtraction | #abacus #abacusclass

Сложение и вычитание с использованием Big Friends на Abacus | InstAbacus

Abacus Subtraction Trick | -2 = -10 + 8 Big Friend Formula Explained | Easy Mental Maths for Kids

Big Friend Formula's

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Big Friend Formula Abacus in Hindi ||Addition and Substraction ||Abacus ||Level 1 ||Fast Calculation

Master the Abacus Techniques: Big Friend Formula Introduction

Big Friends Subtraction in Abacus//Abacus lesson -10

Learn Big Friend Friend Formula ( +8 = +10 - 2 )👍|When & how to use ( +8 = +10 - 2 )|Level 1 abacus👆

Abacus tutorial for kids in Hindi || Big Friend Formula Abacus in Hindi ||Addition and Substraction

FINGER ABACUS (-2 BIG FRIEND FORMULA) -FINGER ABACUS FIRST LEVEL FREE COURSE

Abacus Sums | Big Boss Formula | Big Friend Formula |#abacus

Abacus Big Friend in One Minute | Practical Way to Demonstrate BigFriend to your Student or Children

Big Friend Formula +6

Learn Big Friend Addition Formula (+5 = +10 - 5)🤩|When & how to use (+5 = +10 - 5)🥰|Level 1 abacus 👆