\[\boxed{\ \mathbf{114\ (114)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[t = 21{^\circ}С\]
\[1)\ 21^{0} + 3^{0} = 24{^\circ}С\]
\[2)\ 21^{0} - 5^{0} = 16{^\circ}С.\]
\[\boxed{\ \mathbf{114}.\ }\]
\[1)\ 936\ :24 - 2204\ :58 =\]
\[= 39 - 38 = 1\]
\[2)\ 5481\ :27 + 23 \cdot 27 =\]
\[= 203 + 621 = 824\]