1) 290.45 + 0.4511 = 13.05 + 4.95 = 182) 4.07 - 5.49 + 8.93 - 1.51 = 4.07 + 8.93 - 5.49 - 1.51 = 13 - 7 = 63) -11.401 - 23.17 + 4.401 - 10.83 = -34.571 + 4.401 - 10.83 = -30.17 - 10.83 = -414) (51.8 + 44.3 + 48.2 - 24.3) 1/3 = (144.3 - 24.3) 1/3 = 120/3 = 40
1) 290.45 + 0.4511 = 13.05 + 4.95 = 18
2) 4.07 - 5.49 + 8.93 - 1.51 = 4.07 + 8.93 - 5.49 - 1.51 = 13 - 7 = 6
3) -11.401 - 23.17 + 4.401 - 10.83 = -34.571 + 4.401 - 10.83 = -30.17 - 10.83 = -41
4) (51.8 + 44.3 + 48.2 - 24.3) 1/3 = (144.3 - 24.3) 1/3 = 120/3 = 40