-3.14*35.2-13.14*(-46.6)+(-3.14)*18.2简算

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 16:57:38

-3.14*35.2-13.14*(-46.6)+(-3.14)*18.2简算
-3.14*35.2-13.14*(-46.6)+(-3.14)*18.2简算

-3.14*35.2-13.14*(-46.6)+(-3.14)*18.2简算
-3.14*35.2-13.14*(-46.6)+(-3.14)*18.2
=-3.14*35.2-(10+3.14)*(-46.6)+(-3.14)*18.2
=-3.14*35.2-3.14*(-46.6)+(-3.14)*18.2-10*(46.6)
=-3.14*(35.2-46.6+18.2)-466
=-3.14*6.8-466
=-21.352-466
=-487.352

-3.14*35.2+3.14*(-46.6)+(-3.14)*18.2
=(-3.14)×(35.2+46.6+18.2)
=-3.14×100
=-314