-3.14×35.2+6.28×(-23.3)-1.57×36.4=???

简便运算
2025-04-23 01:48:10
推荐回答(3个)
回答1:

-3.14×35.2+6.28×(-23.3)-1.57×36.4
=-3.14x35.2-3.14x46.6-3.14x18.2
=-3.14x(35.2+46.6+18.2)
=-3.14x100
=-314

回答2:

简便算法,凑3.14
-3.14*35.2+3.14*2*(-23.3)-3.14*36.4/2
=-3.14*(35.2+46.6+18.2)
=-3.14*100
=-314

回答3:

-3.14×35.2+6.28×(-23.3)-1.57×36.4=-314