Number System unit digit | इकाई अंक find करना

Number System unit digit | इकाई अंक find करना
Class - 3 Mixed Concept

इकाई अंक की जादुई Trick

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Class - 1 https://youtu.be/u9_sV5BRI6U
Class - 2 https://youtu.be/jX8x5-YjnlY