Odpowiedź :
3-26= -23
-1 - 4 = -5
3 1/2 - 2 = 3 + 1/2 - 2 = (3-2) + 1/2 = 1 + 1/2 =
1 1/2 = 3/2
-2 1/2 - 5 = -(2 1/2 + 5) = -(2+1/2+5)=-(7+1/2)=
-7 1/2
-1 - 4 = -5
3 1/2 - 2 = 3 + 1/2 - 2 = (3-2) + 1/2 = 1 + 1/2 =
1 1/2 = 3/2
-2 1/2 - 5 = -(2 1/2 + 5) = -(2+1/2+5)=-(7+1/2)=
-7 1/2