(-3.12)*35.2+6.28*(-23.2)-1.57*36.8
问题描述:
(-3.12)*35.2+6.28*(-23.2)-1.57*36.8
答
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