proofs without words造句

例句与造句

1. A proof without words that the sum is ln 2 was shown by Matt Hudelson.
2. :Perhaps you, 59.96.27.63, are interested in a book called " Proofs Without Words " ( well, they are actually two books ).
3. It's difficult to find proofs without words in a sentence. 用proofs without words造句挺难的