简便计算:41.2×8.1+5.37×19+1.1×92.5

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/13 02:50:33
简便计算:41.2×8.1+5.37×19+1.1×92.5

简便计算:41.2×8.1+5.37×19+1.1×92.5
简便计算:41.2×8.1+5.37×19+1.1×92.5

简便计算:41.2×8.1+5.37×19+1.1×92.5
=40*8+40*0.1+1.2*8+1.2*0.1+5.37*20-5.37+1*92.5+0.1*92.5
=320+4+9.6+0.12+107.4-5.37+92.5+9.25
=537.5