Jawabanmu

2014-03-11T20:45:51+07:00
250 Kelvin [K] = -18.52 Reaumure [°r]
2014-03-11T20:47:41+07:00
Kelvin 》 celcius : 250-273 = -23 celcius》reamur : 4/5 ×23 = 18,4