4.05÷0.5+10.75=(4+0.05)÷0.5+10.75=8+0.1+10.75=18.85
你好! 4.05÷0.5+10.75=4.05x2+10.75=8.1+10.75=18.85 很高兴为你解答!希望能够帮助到你。有不明白的地方请追问,满意请采纳。谢谢!
4.05÷0.5+10.75=4.05x2+10.75=8.1+10.75=18.8521.6÷0.8-1.2×5=27-6=21
=4.05*2+10.75=18.85