Question

3ײ+2y²_7+10ײ_12y²+15​

Answer 1

Respuesta:

\begin{gathered} \frac{3}{5} - \frac{7}{10} + \frac{3}{8} - 3 \\ \frac{ - 1}{10} + \frac{ - 21}{8} = \frac{ - 109}{40} \end{gathered}

5

3

−

10

7

+

8

3

−3

10

−1

+

8

−21

=

40

−109