Not tall. By inquiring the examiners of Jiangsu college entrance examination mathematics fill-in-the-blank questions, it can be seen that because the teachers of the college entrance examination are all responsible for marking the test papers, the marking speed will be faster. When you get to the back, you will not make mistakes in the first few corrections, but the error correction rate will be very low, which will not exceed 1%, indicating that the error correction rate of Jiangsu college entrance examination mathematics fill-in-the-blank questions is not high.