0,5*(7intregi si 1supra2-0,62:0,2)+13supra2:1,3; (o,6) totul la puterea2+(8,1-1,95:1supra2)*3,2:21; (2supra3+0,4*1,25)*(1,23:0,3-2,9)+16:10*1,4; (5,4-4,725*2supra3):(4,3-34supra15:2supra3)*3,4.