-3.14×35.2+6.28×(-23.3)-1.57×36.4

2025-03-04 09:35:39
推荐回答(1个)
回答1:

-3.14*35.2+6.28*(-23.3)-1.57*36.4
=-3.14*35.2+3.14*2*(-23.3)-1.57*2*18.2
=-3.14*35.2+3.14*(-46.6)-3.14*18.2
=-3.14*(35.2+46.6+18.2)
=-3.14*100
=-314