\[\boxed{\text{252.}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[Проверка:\]
\[406 + 51 = 457.\]
\[46 \cdot 10 + 35 = 460 + 35 = 495.\]
\[325 + 60 = 385.\]