2.7654.45+3.0191.1+54.45*3.26简算

分类: 作业答案 • 2022-01-09 18:03:03

问题描述：

2.76*54.45+3.01*91.1+54.45*3.26简算
快

答

=54.45x(2.76+3.26)+3.01x91.1
=54.45x6.02+91.1x3.01
=3.01x(54.45x2+91.1)
=3.01x(108.9+91.1)
=3.01x200
=602
希望能帮助你,不懂请追问,懂了请采纳,谢谢

2.76*54.45+3.01*91.1+54.45*3.26简算