(주산no.29)"뺄셈" 5의짝을 이용한 받아내림 뺄셈
Synopsis
5의짝을 이용한 받아내림 뺄셈. * 4+1 주판에 4를 놓고 아래알에 1을 더할수가 없으므로, 5를 더하고 1의 짝 4를 빼는거였다면. * 5-1 5 ...
![(주산NO.27)[뺄셈]"복습편"10의 보수를 이용한 받아내림 뺄셈](https://i.ytimg.com/vi/-iVOYW6dTEE/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLDJGgPyepUbvQmciV76tVzC-Xb2Ig)
![(주산NO.28)"응용편"[뺄셈] 10의보수를 이용한 100에서의 받아내림 뺄셈](https://i.ytimg.com/vi/LZbxaYoX2KE/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLB8BY0BYFGBaVJCrCwV_6KsyXSIAQ)
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