Wykonaj dodawanie :
a) (2x - 3y + 1) + (-3x - 2y + 2) =
b) (3a + 5b - 4c - 1) + (-3b - 2a - 1) =
a) 2x - 3y+1+ -3x -2y + 2 = (-x) -5y +3
b) 3a+5b-4c-1-3b-2a-1 = a + 2b - 4c -2
a) (2x - 3y + 1) + (-3x - 2y + 2) =2x-3y+1-3x-2y+2=-x-5y+3b) (3a + 5b - 4c - 1) + (-3b - 2a - 1) =3a+5b-4c-1-3b-2a-1=a+2b-4c-2
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a) 2x - 3y+1+ -3x -2y + 2 = (-x) -5y +3
b) 3a+5b-4c-1-3b-2a-1 = a + 2b - 4c -2
a) (2x - 3y + 1) + (-3x - 2y + 2) =2x-3y+1-3x-2y+2=-x-5y+3
b) (3a + 5b - 4c - 1) + (-3b - 2a - 1) =3a+5b-4c-1-3b-2a-1=a+2b-4c-2