A Very Improbable Story: A Math AdventurePerfection Learning Corporation, 2008 - 32 trang Ethan wakes up one morning with a talking cat on his head. The cat refuses to budge until Ethan wins a game of probability. |
A Very Improbable Story: A Math AdventurePerfection Learning Corporation, 2008 - 32 trang Ethan wakes up one morning with a talking cat on his head. The cat refuses to budge until Ethan wins a game of probability. |