Ответ:63,48 + 28,23 = 91,71.52,81 − 37,16 = 15,65.61,24 − 43,5 = 17,74.61,24 − 43,05 = 18,19.5,86 + 67,9 = 73,76.61,24 − 43,005 = 18,235.42,08 − 32,8 = 9,28.73,84 + 92,16 = 166.52,86 + 528,6 = 581,46.43,7 − 43,07 = 0,63.