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(1.75-1 11//17*51//56+0.75: (4-1.2*(3.25-1 1//12+6 2//3: /(-0,1)^2=(1.75-28//17*51//56+0.75: (4-1.2*(3.25-1 1//12+6 2//3: /(-0.1)^2=(1.75-1.5+0.75: (4-1.2*(3.25-1 1//12+6 2//3: /(-0.1)^2=(0.25+0.75: (4-1.2*(3.25-1 1//12+6 2//3: /(-0.1)^2=(0.25+0.75: (4-1.2*(13//6+6 2//3: /(-0.1)^2=(0.25+0.75: (4-1.2*(13//6+20//3: /(-0.1)^2=(0.25+0.75: (4-1.2*(13//6+1///(-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
|корень2+корень3-4|=|1.4142136+1.7320508-4|=|-1|=1
sina=√(1-cos²a)=√(1-7²/25²)=24/25
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