1) 1; 329; 6; 108; 9;
2) 1; 329; 0; -21; 108; -3; 9;
3) 1; 329; 4.3; 4.9; 6.01; 108; 9; 13/45; 3/5
4) -3.7; -5/7; -21 ;-3; -0.8;
5)1; 329; 6; 0; 108; 9;
6)-3,7; -5/7; -0,8;
X+3/11=15
x+11=15/3
X+11=5
X=11-5=6
V=1/5*1 1/4*1/3=1/5*5/4*1/3=1/1*1/4*1/3=1/12дм³
S=2(1/5*1 1/4+1/5*1/3+1 1/4*1/3)=2(1/5*5/4+1/15+5/4*1/3)=
<span>=2(1/4+1/15+5/12)=2(15/60+4/60+25/60)=2*44/60=2*11/15=22/15=1 7/15дм²</span>