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 ) + ( - 2 y - 4 ) =
To jeste zadanie 24. str. 165 Matematyka z plusem 1 gimnazjum :)
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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 ) =2-t-p-t+2=-2t-p+4
f) - ( - y + 2 ) + ( - 2 y - 4 ) = y-2-2y-4=-y-6
a ) a + (a-b) = a +a - b = 2a -b
b) 2x - x -4 = x - 4
c) 7 + x -6 = x +1
d) -x - 4 +x -5 = - 9
e) 1 -t -p -t + 2 = -2t - p + 1
f) y - 2 - 2y - 4 = y - 6
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