\[\boxed{\mathbf{893\ (893)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\textbf{а)}\ A(1,5) \Longrightarrow AO = |1,5| = 1,5.\]
\[\textbf{б)}\ M(0) \Longrightarrow MO = |0| = 0.\]
\[\textbf{в)}\ K( - 1,4) \Longrightarrow KO = | - 1,4| = 1,4.\]
\[\textbf{г)}\ L\left( - 2\frac{3}{4} \right) \Longrightarrow LO = \left| - 2\frac{3}{4} \right| = 2\frac{3}{4}\text{.\ }\]