\[\boxed{\ \mathbf{187\ (187)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ 1 + 2 + 3 + \ldots + 9 + 10 =\]
\[= 10 + 10 + 10 + 10 + 15 = 55\]
\[2)\ 1 + 2 + 3 + \ldots + 99 + 100 =\]
\[= 100 \cdot 49 + 150 =\]
\[= 4900 + 150 = 5050\]