4 5/7 kg + 2 1/3 kg - 3 3/4 kg

[tex]4 \frac{5}{7} + 2\frac{1}{3} - 3 \frac{3}{4} = \frac{33}{7} + \frac{7}{3} - \frac{15}{4} \\ \frac{396}{84} + \frac{196}{84} - \frac{315}{84} = \frac{277}{84} = 3 \frac{25}{84} kg[/tex] atau 3,3 kg




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