🧮Learn how to use combination subtraction of 7 (-7 = -10+5-2 ) 📕|Level 1 abacus 🧮📚
Hi everyone, Hope you are doing well. In this video i have shared the detail exaplanation of when & how we can apply combination subtraction of 7 (-7 = -10+5-2) Also i have used few examples while explaining the concept. Do let me know how are doing ?
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