Laos on 20 kg õunu, 40 kg pirne ja 5 kg kirsse. Mitu kg puuvilju on laos?

(a)  

53 l - 2 l = (a)   l

97 l - 6 l = (a)   l

74 l + 6 l = (a)   l

45 l + 3 l = (a)   l

52 kg + 7 kg = (a)   kg

61 kg + 6 kg = (a)   kg

38 kg - 5 kg = (a)   kg

87 kg - 4 kg = (a)   kg