18•(0,3х11.6)=345,42
18*(0,3х11,6)=345,42 (0,3х11,6)=345,42:18 0,3х11,6=19,19 3,48х=19,19 х=19,19:3,48 х=5,514 18*(0,3*5,514*11,6)=345,42 18*19,19=345,4 345,4=345,4