464 + 436 = 900
900 − 436 = 464
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}900\\ 436\end{array}}\\ \begin{array}{r}464\end{array}\end{array}$
Число 464.
96 + 305 = 401
401 − 305 = 96
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}401\\ 305\end{array}}\\ \begin{array}{r}96\end{array}\end{array}$
Число 96.
911 − 820 = 91
820 + 91 = 911
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}820\\ 91\end{array}}\\ \begin{array}{r}911\end{array}\end{array}$
Число 911.
824 − 412 = 412
412 + 412 = 824
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}412\\ 412\end{array}}\\ \begin{array}{r}824\end{array}\end{array}$
Число 824.