A 1 B 2 C 3d4e5f6g7h8i9j10k11l12m13 2024 Tacoma
A 1 B 2 C 3d4e5f6g7h8i9j10k11l12m13 2024 Tacoma. \begin {cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end {cases} \right. Convert letters to numbers in various formats.
\begin {align*} a^2/b &= 1, \\ b^2/c &= 2, \text { and}\\ c^2/a &= 3. If $1/a + 1/b = 1 /c$ where $a, b, c$ are positive integers with no common factor, $(a + b)$ is the square of an integer.