Mathematics is a special logic language, while Chinese is another language or a general logic language. You "mark all the math problems in Chinese", just like "reading English in an English-Chinese dictionary". Obviously, reading English with English thinking is the most efficient. Try to forget the "Chinese pronunciation" of each mathematical symbol, or simply make a pronunciation that only you know. Then think of it as a language and use it to think, instead of translating it into Chinese characters and thinking.