1)7,29+(-5,126)+(-6,29)+5,126=
=7,29-5,126-6,29+5,126=1
2)24,35+(-72,61)+42,61+(-13,35)=
=24,35-72,61+42,61-13,35=-19
3)-6,38+(-173)+5,38+1,73=
=-6,38-173+5,38+1,73=-172,27
4)-3,72+9,84+1,72+(-20,84)=
=-3,72+9,84+1,72-20,84=-13
1)7,29+(-5,126)+(-6,29)+5,126=
=7,29-5,126-6,29+5,126=1
2)24,35+(-72,61)+42,61+(-13,35)=
=24,35-72,61+42,61-13,35=-19
3)-6,38+(-173)+5,38+1,73=
=-6,38-173+5,38+1,73=-172,27
4)-3,72+9,84+1,72+(-20,84)=
=-3,72+9,84+1,72-20,84=-13