56 - 69 = -13 -31 + 17 = -14
-37 + 18 = -19 50 - 60 = -10
-26 - 14 = -40 -12 + (-11) = -23
-1 + 18 = 17 36 + (-64) = -28
-23 + 40 = 17 18 - 9 = 9
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16 - (-14) = 30 -38 + 19 = -19
-24 - 24 = -48 47 - 54 = -7
-45 + 15 = -30 -17 - 17 = -34
-1 - 26 = -27 0 - 38 = -38
-26 + 52 = 26 -18 + 36 = 18
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54 + (-24) = 30 27 - 70 = -43
-62 + 62 = 0 -8 - 15 = -23
-36 - 14 = -50 0 - 23 = -23
-1 - 1 = -2 -14 - 6 = -20
-38 + 19 = -19 -15 + 20 = 5
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38 - 45 = -7 73 - 84 = -11
-19 + 19 = 0 85 + (-100) = -15
-25 + 50 = 25 39 - 43 = -4
-28 - 4 = -32 -75 + 75 = 0
-17 + (-7) = -24 91 - 47 = 44