\[Стр.\ 84.\]
\[\boxed{\mathbf{3.}}\]
\[\textbf{а)}\ 27,88\ :4,1 = 278,8\ :41\]
\[\textbf{б)}\ 1,6157\ :0,302 =\]
\[= 1615,7\ :302\]
\[\textbf{в)}\ 54,0784\ :0,73 = 5407,84\ :73\]
\[\textbf{г)}\ 2548,61\ :4,3 =\]
\[= 25486,1\ :43\]
\[\textbf{д)}\ 509,722\ :4,3 = 5097,22\ :43\]
\[\textbf{е)}\ 161,57\ :5,35 = 16157\ :535\]