\[\boxed{\mathbf{Вариант\ 1.}}\]
\[\boxed{\mathbf{1.}}\]
\[732\]
\[808\]
\[717\]
\[600\]
\[340\]
\[403\]
\[\boxed{\mathbf{2.}}\]
\[387\]
\[830\]
\[215\]
\[490\]
\[502\]
\[1000\]
\[\boxed{\mathbf{3.}}\]
\[Увеличь\ в\ 10\ раз:\]
\[26 \cdot 10 = 260\]
\[48 \cdot 10 = 480\]
\[15 \cdot 10 = 150\]
\[99 \cdot 10 = 990\]
\[Уменьши\ в\ 10\ раз:\]
\[880\ :10 = 88\]
\[540\ :10 = 54\]
\[600\ :10 = 60\]
\[470\ :10 = 47\]
\[\boxed{\mathbf{4.}}\]
\[320,\ 302,\ 230,\ 203.\]