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