Выражение: -5/((-1/5-3/4)/(-1.9)+1/6/(-2))
Ответ: -12
Решаем по действиям:
1) 1/5=0.2
1.0|5_ _
1_0_|0.2
0
2) 3/4=0.75
3.0|4_ _
2_8_|0.75
20
2_0_
0
3) -0.2-0.75=-0.95
+0.20
_0_._7_5_
0.95
4) 0.95/(-1.9)=-0.95/1.9
5) 0.95/1.9=0.5
0.950|1_._9_ _
9_5_ |0.5
0
6) -(-0.5)=0.5
7) 1/6=(1//6)
8) (1//6)/(-2)=-(1//6)/2
9) (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)=12
Решаем 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
0
2) -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_
0
3) -5/(-0.95/(-1.9)+1/6/(-2))
3.1) -0.2-0.75=-0.95
+0.20
_0_._7_5_
0.95
4) -5/(-(-0.95/1.9)+1/6/(-2))
4.1) 0.95/(-1.9)=-0.95/1.9
5) -5/(-(-0.5)+1/6/(-2))
5.1) 0.95/1.9=0.5
0.950|1_._9_ _
9_5_ |0.5
0
6) -5/(0.5+1/6/(-2))
6.1) -(-0.5)=0.5
7) -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)/2
9) -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