5 730 + 70 787 + 59 724 = 76 517 + 59 724 = 136 241
183 018 - 10 056 - 2 088 = 172 962 - 2 088 = 170 874
10 091 - 9 842 + 67 991 = 249 + 67 991 = 68 240
40 009 + 52 700 - 4 176 = 92 709 - 4 176 = 88 533
