7. 1 --- +3---- =??? 8. 10 Tolong dijawab menggunakan cara! :11Poin:

[tex] \frac{7}{8} + 3 \frac{1}{10} \\ \\ = 3 + ( \frac{7}{8} + \frac{1}{10} ) \\ \\ = 3 + ( \frac{35 + 4}{40} ) \\ \\ = 3 + \frac{39}{40} \\ \\ = 3 \frac{39}{40} [/tex]

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