17.48×37-174.8×2.7 34.5×8.23-34.5+2.77×34.517.48×37-174.8×2.7 34.5×8.23-34.5+2.77×34.5

分类: 作业答案 • 2022-07-13 09:49:12

问题描述：

17.48×37-174.8×2.7 34.5×8.23-34.5+2.77×34.5
17.48×37-174.8×2.7
34.5×8.23-34.5+2.77×34.5

答

17.48×37-174.8×2.7 =17.48×(37-27)=174.8
34.5×8.23-34.5+2.77×34.5=34.5×(8.23-1+2.77)=34.5×10=345