62,93+(12,5-7,6+3,21):0,1
1)12,5-7.6=4.9 2)4,9+3,21=8.11 3)8,11:0,1=81,1 4)62,93+81,1=144,03
62,93+(12,5-7,6+3,21):0,1=62,93+(4,9+3,21):0,1=62,93+8,11:0,1=62,93+81,1=244,03
144,03