Two marks example problems I — task. Mathematics State Board, Class 8.

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1. Add:

\frac{- 6}{11}, \frac{8}{11}, \frac{- 12}{11}

\frac{i}{i}

2. Add:

\frac{- 5}{9}, \frac{- 4}{3}, \frac{7}{12}

\frac{i}{i}

Did you find an error?

5. Two marks example problems I