a. \(317-\left\{-136+\left[-358+\left(136+317+358\right)\right]\right\}\)
\(=317-\left\{-136+\left[-358+811\right]\right\}\)
\(=317-\left\{-136+453\right\}\)
\(=317-317=0\)
b. \(-532-\left\{401-\left[613+\left(-613+401-532\right)\right]\right\}\)
\(=-532-\left\{401-\left[613-744\right]\right\}\)
\(=-532-\left\{401+131\right\}\)
\(=-532-532=-1064\)
c. \(703+\left\{-911+\left[256-\left(256-911+703\right)\right]\right\}\)
\(=703+\left\{-911+\left[256-48\right]\right\}\)
\(=703+\left\{-911+208\right\}\)
\(=703-703=0\)
d. \(527-\left[-761+\left(-203+761\right)\right]-\left(527+213\right)\)
\(=527-\left[-761+558\right]-740\)
\(=527+203-740=-10\)
