Mad r์ด๋ž‘ mad r+ ๊ตฌ๋ถ„๋ฒ•์„ ์ž˜ ๋ชจ๋ฅด๊ฒ ๋Š”๋ฐ r+๋Š” ์‚ฌ์ด๋“œ์— r+๋ผ๊ณ  ๊ฐ์ธ์ด ๋ผ์žˆ๊ฒ ์ฃ