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:六六作业网 时间:2024/12/24 13:08:31
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

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