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a) x do kwadratu +x-1 dla x=-1
b) 2(-x+4) dla x=-10
c) 1-y+x dla x=2 i y=-1
a. 1-1-1=-1
b. -20+8=-12
c. 1+1+2=4
-1²+(-1)-1=1-1-1=
-1 <-
b) 2(-x+4) dla x=-10
2(-10+4) = 2×(-10) + 2×4=-20+8 =
-12<-
c)
1-y+x dla x=2 i y=-1
1-(-1)+2= 1+1+2=
4<-
b)28 bo 2*(10+4)=28
c)4 bo 1-(-1)+2=2+2=4