Zapisz wyrażenia nie używająć nawiasów.
a) -(3a+6)-4=
b) -(2x-1)-(3x+1)=
c) (4a-7b)-(2a+3b)=
d) (2p-r)+(2r-p)=
e) (x+y)+(x-z)+(z-y)=
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-3a-6-4=-3a-10
-2x+1-3x-1= -5x
4a-7b-2a-3b=2a-10b
2p-r+2r-p=p+r
2x
a) -3a -6-4 = -3a-10
b)-2x+1-3x-1 = -5x
c)4a-7b-2a-3b = 2a-10b
d) 2p-r+2r-p=p + r
e) x+y+x-z+z-y = 2x