你知道四则混合运算指的是哪四则

简介：Gao Wei, the prefect of Huai'an, originally disagreed with Shi Kefa's strategy of blindly appeasing him. The tax office at the wharf was smashed and the tax collector died, which strengthened his belief. He said excitedly: Master Taiwan, what we are facing now is no longer the same. It’s the common people, it’s the mob! Please make a decision as soon as possible, please, and never give in!