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2*(-4)+1=
-8+1=
-7
2x+1 dla X=0
2*0+1=
0+1=
1
2x+1dlax= 1,5
2*1,5+1=
3+1=
4
x+1= dla x=-2/3
-2/3+1=
1/3
5-3x DLA X=-2
5-3*(-2)=
5+6=
11
5-3X DLA X=0.40
5-3*0,4=
5-1,2=
3,8
(a+2)h dla a=7 i h= 1/3
ha+2h=
7*1/3+2*1/3=
7/3+2/3=
9/3=
3