\[\boxed{\mathbf{230\ (230)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ (412 + 116) - 112 =\]
\[= 412 - 112 + 116 =\]
\[= 300 + 116 = 416\]
\[2)\ (593 + 675) - 275 =\]
\[= 593 + 675 - 275 =\]
\[= 593 + 400 = 993\]
\[3)\ (792 + 301) - 201 =\]
\[= 792 + 301 - 201 =\]
\[= 792 + 100 = 892\]
\[4)\ (987 + 614) - 187 =\]
\[= 987 - 187 + 614 =\]
\[= 800 + 614 = 1414\]
\[5)\ 844 - (244 + 318) =\]
\[= 844 - 244 - 318 =\]
\[= 600 - 318 = 282\]
\[6)\ 729 - (396 + 229) =\]
\[= 729 - 229 - 396 =\]
\[= 500 - 396 = 104\]
\[7)\ 393 - (193 + 155) =\]
\[= 393 - 193 - 155 =\]
\[= 200 - 155 = 45\]
\[8)\ 672 - (202 + 172) =\]
\[= 672 - 172 - 202 =\]
\[= 500 - 202 = 298\]
\[\boxed{\ \mathbf{230}.\ }\]