X + 1,2 = 0
x = - 1,2
x + 5 = 0
x = - 5
x + 5 = 0
x = - 5
x - 10 = 0
x = 10
ОТВЕТ
- 5; - 1,2; 10
X=57165:115
x=368,806451613 = 369
x=369
57165+369: 115=57104
1/2-1/5=5-2/10=3/10
1/3-3/4=4-9/12=-5/12
3/10-(-5/12)=18+25/60=33/60=11/20
2/5-6/7=14-30/35=-16/35
3/7-9/10=30-27/70=3/70
-16/35-3/70=-32-3/70=-35/70=-1/2
С+14*70=3000
с+980=3000
с=3000-980
с=2020
Ответ: 2020
((3-5)**2+(-1-3)**2+(-4-2)**2)**(1/2)=(4+16+36)**(1/2)=(4*14)**(1/2)=2*(14**(1/2))