1)16-29+14-48=30-29-48=1-48= -47
2)-3,2-7,8-5,4+4,6=-11-5,4+4,6=-16,4+4,6=-11,8
3)-4,28-1,53-(-7,85)+(-9,06)=-5,81+7,85-9,06=-14,87+7,85=-7,02
4)-5 3/8 + 4 5/6 - (-2 1/4)=-5 9/24 + 4 20/24 + 2 6/24 =1 17/24
5)-3 3/5 +(-2 1/3)+4 8/15 -1 5/6 - (-7 6/10) +1/2 =
-3 18/30 - 2 10/30 +4 16/30 -1 25/30 + 7 18/30 +15/30=
= -6 53/30 + 11 49/30= -6 53/30 + 10 79/30 = 4 26/30=4 13/15