一楼不对，题目中没有-3.14（-3.12）*35.2+6.28*（-23.2）-1.57*36.8=-109.824-145.696-57.776=-313.296
（-3.14）*35.2+6.28*（-23.2）-1.57*36.8 =-3.14*35.2-3.14*46.4-3.14*18.4=-3.14*（35.2+46.4+18.4）=-3.14*100=-314
