Wykonaj działania: a) a+(a-b) b) 2x -(x+4) c) 7- (-x+6) d)-(x+4)+(x-5) e) 1-(t+p) - (t-2) f) -(-y+2)+(-2y-4)
a) a+(a-b) = 2a-b
b) 2x -(x+4)= 2x-x-4=x-4
c) 7- (-x+6) = 7+x-6=1+x
d)-(x+4)+(x-5) = -x-4+x-5=-9
e) 1-(t+p) - (t-2)= 1-t-p-t+2=3-2t-p
f) -(-y+2)+(-2y-4) = y-2-2y-4=-y-6
Pozdrawiam i liczę na NAJ :)
a) a+(a-b) = a+a-b=2a-b
b) 2x- (x+4)= 2x - x - 4=x-4
c) 7- (-x +6) = 7 +x -6=x +1
d) -(x+4) +(x-5)=- x - 4 +x -5= -9
e) 1- (t+p) - (t-2)= 1- t -p -t +2= -2t -p +3
f) - (-y+2)+(-2y-4)= y -2 -2y-4= -y -6
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a) a+(a-b) = 2a-b
b) 2x -(x+4)= 2x-x-4=x-4
c) 7- (-x+6) = 7+x-6=1+x
d)-(x+4)+(x-5) = -x-4+x-5=-9
e) 1-(t+p) - (t-2)= 1-t-p-t+2=3-2t-p
f) -(-y+2)+(-2y-4) = y-2-2y-4=-y-6
Pozdrawiam i liczę na NAJ :)
a) a+(a-b) = a+a-b=2a-b
b) 2x- (x+4)= 2x - x - 4=x-4
c) 7- (-x +6) = 7 +x -6=x +1
d) -(x+4) +(x-5)=- x - 4 +x -5= -9
e) 1- (t+p) - (t-2)= 1- t -p -t +2= -2t -p +3
f) - (-y+2)+(-2y-4)= y -2 -2y-4= -y -6