Rozwiąż układ:
2a + b =1,8
2b + c =2,8
2a + b + c =3
2*1+(-0.2)=1.8
2*1+0.8=2.8
2*1+0.2+0.8=3
b=1,8-2a
c=2,8-2(1,8-2a)
2a+ 1,8-2a + 2,8-3,6+4a=3
1+4a=3
a=0,5
c=4a-0,8
b=1,8-2*0,5= 0,8
c=1,2
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2*1+(-0.2)=1.8
2*1+0.8=2.8
2*1+0.2+0.8=3
b=1,8-2a
c=2,8-2(1,8-2a)
2a+ 1,8-2a + 2,8-3,6+4a=3
b=1,8-2a
c=2,8-2(1,8-2a)
1+4a=3
b=1,8-2a
c=2,8-2(1,8-2a)
a=0,5
b=1,8-2a
c=4a-0,8
a=0,5
a=0,5
b=1,8-2*0,5= 0,8
c=1,2