2\1\4 kuwintal + 56 kg -81.000 gram = kg

9/4 kuintal + 56 kg - 81.000 gram = ... kg
 = (9/4 x 100) + 56 kg - (81.000 : 1.000)
 = 225 kg + 56 kg - 81 kg
 = 200 kg

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