\[\boxed{\mathbf{772\ (772)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\textbf{а)}\ 14 - 23 - 37 + 23 + 56 - 13 = (14 + 23 + 56) + ( - 23 - 37 - 13) =\]
\[= 93 - 73 = 20\]
\[\textbf{б)}\ 27 - 49 - 12 + 38 + 49 - 60 = (27 + 38 + 49) + ( - 49 - 12 - 60) =\]
\[= 114 - 121 = - 7\]
\[\textbf{в)} - 51 - 18 - 29 + 11 + 51 + 29 - 14 =\]
\[= (11 + 51 + 29) + ) - 51 - 18 - 29 - 14) = 91 - 112 = - 21\]
\[\textbf{г)}\ 46 + 34 - 15 - 34 - 46 + 15 - 100 =\]
\[= (46 - 46) + (34 - 34) + (15 - 15) - 100 = 0 + 0 + 0 - 100 = - 100\]