\(a,256+789:3-178\)
\(=256+263-178\)
\(=341\)
\(b,1485+\left(735-47\cdot8\right)\)
\(=1485+\left(735-376\right)\)
\(=1485+359\)
\(=1844\)
\(c,5635:5-8172:9\)
\(=1127-908\)
\(=219\)
a) \(256+789:3-178\)
\(=256+263-178\)
\(=519-178\)
\(=341\)
b) \(1485+\left(735-47\times8\right)\)
\(=1485+\left(735-376\right)\)
\(=1485+359\)
\(=1844\)
c) \(5635:5-8172:9\)
\(=1127-908\)
\(=219\)
a,256+789:3-178=256+263-178
=519-178
=341
b,1485+(735-47x8)=1485+(735- 376)
=1485+359
=1844
c,5635:5-8172:9=1127-8172:9
=1127-908
=219
