1) (453+282)/3 = 735/3 = 2452) 4(220-60) = 4160 = 6403) (252-180)/2 = 72/2 = 364) 5(121+139) = 5260 = 13005) 800/5 + 1402 = 160 + 1402 = 15626) 920/20 3 = 463 = 138
1) (453+282)/3 = 735/3 = 245
2) 4(220-60) = 4160 = 640
3) (252-180)/2 = 72/2 = 36
4) 5(121+139) = 5260 = 1300
5) 800/5 + 1402 = 160 + 1402 = 1562
6) 920/20 3 = 463 = 138