76 70 34 65 -59 -32 +38 +19 --- --- --- --- 17 38 72 84
59 32 72 84 +17 +38 -34 -19 --- --- --- --- 76 70 38 65
Ответ: 76 - 59 = 17, 70 - 32 = 38, 34 + 38 = 72, 65 + 19 = 84