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Verified answer
4 kaleng susujika setiap kaleng nettonya = 1kg
maka netto 4 kaleng = 4 × 1kg = 4kg
padahal saat ditimbang keempatnya = 5kg
jadi tara seluruhnya = 5kg-4kg = 1kg
jadi
bruto tiap kaleng = 5kg : 4 = 5/4kg = 1¼ kg ✔️
tara tiap kaleng = 1kg : 4 = ¼kg ✔️
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