+amp;178amp;amp; 12amp;776amp;
\( \begin{aligned} &178 \\ +& \\ &~~12 \\ &\underline{\phantom{776}} & \\ \end{aligned} \)
\( \begin{aligned} &234 \\ +& \\ &~~16 \\ &\underline{\phantom{776}} & \\ \end{aligned} \)
\( \begin{aligned} &857 \\ +& \\ &~~23 \\ &\underline{\phantom{776}} & \\ \end{aligned} \)
\( \begin{aligned} &917 \\ +& \\ &~~73 \\ &\underline{\phantom{776}} & \\ \end{aligned} \)
190
250
880
990