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Big Friends Formula -3 in Abacus | -3 = -10 + 7 | Online Courses India

This video explains the Big Friends Formula -3, which is -3 = -10 + 7. It helps students perform subtraction quickly using abacus techniques.

Our online courses for students are designed to provide practical learning through interactive sessions. This concept is a key part of online indian education programs that focus on developing strong mathematical skills.

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