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In this video, we explain the +1 formula in abacus, also known as the +5 - 4 formula, which is an important concept for performing addition easily and efficiently. This formula is used when direct addition is not possible, helping children solve problems in a smarter way.
You will learn when and how to apply the plus one formula in abacus with clear examples. This technique simplifies calculations by breaking numbers into smaller steps, making it easier for kids to understand and apply.
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