September 2018 3 18 Report
MAtematyka-- wyrazenia algebraiczne . -sumy algebraiczne

z.1.(25)

a) (a+b) - (2a - b) - (a-2b)

b) (3x - y + 1) - ( x +y ) + (y -x)

c) -( kx + ny ) - (3kx+ 2ny) + (5kx - 3ny)

d) 2ab + a + 3) - (3ab - a + 3)
2 - potenga 2 2
e) (4x - 3x) - (x + 0,1x ) - (x - 0,1x)
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