\[\boxed{\ \mathbf{178\ (178)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ (56 + a) + 14 =\]
\[= 56 + 14 + a = 70 + a\]
\[2)\ 342 + (b + 58) =\]
\[= 342 + 58 + b = 400 + b\]
\[3)\ 805 + x + 195 =\]
\[= 805 + 195 + x = 1000 + x\]
\[4)\ m + 4563 + 1837 =\]
\[= m + 6400\]
\[\boxed{\ \mathbf{178}\mathbf{\ (145)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]