itu yg nomor 3 aja kaka... tolong bantu yaaaa plis...

[tex]n + 2 \frac{1}{3} = 4 \frac{3}{5} \\ n = 4 \frac{3}{5} - 2 \frac{1}{3} \\ n = 2 \frac{9 - 5}{15} \\ n = 2 \frac{4}{15} [/tex]