P3L1A1C3E1H4O1L1D2E1R1
19 points
PLACEHOLDER is validvalid
one that holds a place [n PLACEHOLDERS]
a symbol in a mathematical or logical expression that may be replaced by the name of any element of a set [n -S]
one that holds a place [n PLACEHOLDERS]
a symbol in a mathematical or logical expression that may be replaced by the name of any element of a set [n -S]