-11,55+12,05 -5 5/9+(-6 7/12)= - 11 23/36
1) -11,55+12,05 = 0,5 = 1/2
2) 1/2 - 5 5/9 = 9/18 - 5 10/18 = -(5 10/18 - 9/18) = -5 1/18
3) -5 1/18 +(-6 7/12) = - (5 1/18 +6 7/12) = -(5 2/36 + 6 21/36) = - 11 23/36
-11,55+12,05 -5 5/9+(-6 7/12)= - 11 23/36
1) -11,55+12,05 = 0,5 = 1/2
2) 1/2 - 5 5/9 = 9/18 - 5 10/18 = -(5 10/18 - 9/18) = -5 1/18
3) -5 1/18 +(-6 7/12) = - (5 1/18 +6 7/12) = -(5 2/36 + 6 21/36) = - 11 23/36