(1.75-1 11//17*51//56+0.75:(4-1.2*(3.25-1 1//12+6 2//3:20)))/(-0,1)^2=(1.75-28//17*51//56+0.75:(4-1.2*(3.25-1 1//12+6 2//3:20)))/(-0.1)^2=(1.75-1.5+0.75:(4-1.2*(3.25-1 1//12+6 2//3:20)))/(-0.1)^2=(0.25+0.75:(4-1.2*(3.25-1 1//12+6 2//3:20)))/(-0.1)^2=(0.25+0.75:(4-1.2*(13//6+6 2//3:20)))/(-0.1)^2=(0.25+0.75:(4-1.2*(13//6+20//3:20)))/(-0.1)^2=(0.25+0.75:(4-1.2*(13//6+1//3)))/(-0.1)^2=(0.25+0.75:(4-1.2*2.5))/(-0.1)^2=(0.25+0.75:(4-3))/(-0.1)^2=(0.25+0.75)/(-0.1)^2=1/(-0.1)^2=1/0.01=100
// - черта дроби
