Question

Допоможіть!!!!!!!!!!!!!

Answer 1

1.
а)=5.6-4.8=0.8
б)=-5.2-4.8=-10
в)=3.5-4.5=-1
г)=7.3-7.3=0
2.
а)=-2.8
б)=-10.1
в)=13.7+12.5=26.2
г)=-5.5+9.8=4.3
3.
=6-4.2+2.8-3.1+3.9-1.6=3.8
4.
-1.8-х+4.3=-2
2.5-х=-2
х=2.5+2
х=4.5
5.
а)=-12.5-7.8+2.2=-18.1
б)=-2 3/9+4 7/9-1 3/24+4 10/24=
=2 4/9+3 7/24=2 32/72+3 21/72=
=5 53/72