Matematika Sekolah Menengah Pertama no 19 bsk dikumpulkan​

no 19 bsk dikumpulkan​

[tex] \frac{5}{7} + 1 \frac{2}{3} - \frac{1}{2} \\ \\ = \frac{5}{7} + \frac{5}{3} - \frac{1}{2} \\ \\ = \frac{30 + 70 - 21}{42} \\ \\ = \frac{79}{42} = 1 \frac{37}{42} [/tex]

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