5 kwintal + 2 ton - 420 kg + 10 ons

5 kuintal = 500kg
2 ton = 2000kg
420kg
10 ons = 1kg
500 + 2.000 - 420 + 1= 2081 kg

= 5 kuintal =5×100 =500 kg
= 2 ton. = 2 ×1000 =2000 kg
= 420 kg
= 10 ons = 1o÷10 = 1
dijumlahkan = 500 kg +2000 kg-420 kg+1 kg
={2081}