9.8*4.8+0.48简便计算

来源：学生作业帮助网编辑：作业帮时间：2024/04/29 21:15:42

9.8*4.8+0.48简便计算
9.8*4.8+0.48简便计算

9.8*4.8+0.48简便计算
=98*0.48+0.48=(98+1)0.48=99*0.48=(100-1)*0.48=48-0.48=47.52

9.8*4.8+0.48=98*0.48+0.48=(98+1)*0.48=99*0.48=(100-1)*0.48=100*0.48-0.48*1=48-0.48=47.52