-5:((-1/5-3/4):(-1.9)+1/6:(-2))=

Выражение: -5/((-1/5-3/4)/(-1.9)+1/6/(-2))Ответ: -12Решаем по действиям:1) 1/5=0.2  1.0|5_ _  1_0_|0.2   02) 3/4=0.75  3.0|4_ _  2_8_|0.75   20   2_0_    03) -0.2-0.75=-0.95  +0.20   _0_._7_5_   0.954) 0.95/(-1.9)=-0.95/1.95) 0.95/1.9=0.5  0.950|1_._9_ _   9_5_ |0.5    06) -(-0.5)=0.57) 1/6=(1//6)8) (1//6)/(-2)=-(1//6)/29) (1//6)/2=(1//12)10) 0.5+(-(1//12))=0.5-(1//12)11) 0.5-(1//12)=(5//12)12) 5/(5//12)=12Решаем по шагам:1) -5/((-0.2-3/4)/(-1.9)+1/6/(-2))  1.1) 1/5=0.2      1.0|5_ _      1_0_|0.2       02) -5/((-0.2-0.75)/(-1.9)+1/6/(-2))  2.1) 3/4=0.75      3.0|4_ _      2_8_|0.75       20       2_0_        03) -5/(-0.95/(-1.9)+1/6/(-2))  3.1) -0.2-0.75=-0.95      +0.20       _0_._7_5_       0.954) -5/(-(-0.95/1.9)+1/6/(-2))  4.1) 0.95/(-1.9)=-0.95/1.95) -5/(-(-0.5)+1/6/(-2))  5.1) 0.95/1.9=0.5      0.950|1_._9_ _       9_5_ |0.5        06) -5/(0.5+1/6/(-2))  6.1) -(-0.5)=0.57) -5/(0.5+(1//6)/(-2))  7.1) 1/6=(1//6)8) -5/(0.5+(-(1//6)/2))  8.1) (1//6)/(-2)=-(1//6)/29) -5/(0.5+(-(1//12)))  9.1) (1//6)/2=(1//12)10) -5/(0.5-(1//12))  10.1) 0.5+(-(1//12))=0.5-(1//12)11) -5/(5//12)  11.1) 0.5-(1//12)=(5//12)12) -12  12.1) 5/(5//12)=12

-5:((-1/5-3/4):(-1.9)+1/6:(-2))=-5:((-0,5):(-1,9)-1/12)=-12