\[\boxed{\mathbf{38.}}\]
\[27 + 3 = 30\]
\[3 + 27 = 30\]
\[58 + 2 = 60\]
\[2 + 58 = 60\ \]
\[61 + 9 = 70\]
\[9 + 61 = 70\]
\[42 + 8 = 50\]
\[8 + 42 = 50\]
\[76 + 4 = 80\]
\[4 + 76 = 80\]
\[85 + 5 = 90\]
\[5 + 85 = 90\]
\[96 + 4 = 100\]
\[4 + 96 = 100\]
\[93 + 7 = 100\]
\[7 + 93 = 100\]
\[95 + 5 = 100\]
\[5 + 95 = 100\]