6,93:(0,028+0.36*4,2)-3,5=
6,93 : (0,028 + 0,36 * 4,2) - 3,5 = 1 1) 0,36 * 4,2 = 1,512 2) 0,028 + 1,512 = 1,54 3) 6,93 : 1,54 = 4,5 4) 4,5 - 3,5 = 1
6,93:(0,028+0,36*4,2)-3,5=6,93:(0,028+1,512)=6,93:1,54-3,5=4,5-3,5=1