1) +(56+42)=+(98)=+98
2)+(63+6*7)=+(63+42)=+(+105)=+105
3)+(7*8+42)=+(56+42)=+(+98)=+98
4) +(61-98)=+(-37)=-37
5) +(63+42)=+(+105)=+105
6)+(-88+99)=+(+11)=+11
-
1)-(-41+19)=-(-22)=+22
2) -(45-7*5)=-(45-35)=-(+10)=-10
3) -(44+57)=-(+101)=-101
4) -(45-53)=-(-8)=+8
5) -(45-35)=-(+10)=-10
6) -(9*5-53)=-(45-53)=-(-8)=+8
1) +(56+42)=+(98)=+98
2)+(63+6*7)=+(63+42)=+(+105)=+105
3)+(7*8+42)=+(56+42)=+(+98)=+98
4) +(61-98)=+(-37)=-37
5) +(63+42)=+(+105)=+105
6)+(-88+99)=+(+11)=+11
-
1)-(-41+19)=-(-22)=+22
2) -(45-7*5)=-(45-35)=-(+10)=-10
3) -(44+57)=-(+101)=-101
4) -(45-53)=-(-8)=+8
5) -(45-35)=-(+10)=-10
6) -(9*5-53)=-(45-53)=-(-8)=+8