I don't know what a 'mathematical' sentence is.
I'd prefer to call it an English sentence that describes a mathematical process
and makes a statement concerning mathematical matters.
Chat with our AI personalities
Example: Two plus three equals five. 2 + 3 = 5.
Unless I'm misunderstanding the question, 1 plus 1 plus 1 equals 3 CAN be written as a multiplication sentence: 1 times 3 equals 3.
1 plus 1 equals one fact
that ain't possible
The variable is x.