6.28×(-23.3)-3.14×35.2-1.57×36.4 简便运算,为什么这样算

2025-04-29 18:34:25
推荐回答(1个)
回答1:

6.28*(-23.3)-3.14*35.2-1.57*36.4
=6.28*(-23.3-17.6-9.1)
=6.28*(-50)
=314;