1-6
-5
(–7) – 8
-15
(-2) - 4
-6
11-3
8
(–18) – (–20)
2
(-14) - 13
-27
(-14) -5
-19
10 - (-7)
17
7 - (-12)
19
11 – (–12)
23
6 – 17
-11
16 – (–1)
17
(–18) – (–10)
-8
0 – 15
-15
(-19) - (-9)
-10
(-16) - (-6)
-10