1. 0+(-10,4)+2,3= 0-10,4+2,3= -10,4+2,3= -(10,4-2,3)= -(8,1) = -8,1
2. 0+(-1,3)+(-2,4)= 0-1,3-2,4= -1,3 - 2,4= -(1,3 + 2,4)= -(3,7)= -3,7
3. 0+5/17+(-11/17)= 5/17-11/17= -(11/17-5/17)= -(6/17)= -6/17
1. 0+(-10,4)+2,3= 0-10,4+2,3= -10,4+2,3= -(10,4-2,3)= -(8,1) = -8,1
2. 0+(-1,3)+(-2,4)= 0-1,3-2,4= -1,3 - 2,4= -(1,3 + 2,4)= -(3,7)= -3,7
3. 0+5/17+(-11/17)= 5/17-11/17= -(11/17-5/17)= -(6/17)= -6/17