简便计算:7.2×1.02
7.2乘以1.02怎么简便计算 -
7.2×1.02=7.2×1+7.2×0.02=7.2+0.144=7.344
7.2× （1+0.02）7.2×1+7.2×0.02 =7.2+0.144 =7.344
7.2×1.02=7.2×1+7.2×0.02=7.2+0.144=7.344
7.2× （1+0.02）7.2×1+7.2×0.02 =7.2+0.144 =7.344
7.2×1.02=7.2×（1+0.2）7.2+0.36=7.56
=7.2*(1+0.02)=7.2+7.2*0.02 =7.2+0.144 =7.344
七点2×1点零二这道题用简便怎么做 -
七点2×1点零二=7.2x(1+0.02)=7.2+7.2x0.02 =7.2+0.144 =7.344 行家正解，不明白可以追问！祝您学习进步满意请点击下面的【选为满意回答】按钮，O(∩_∩)O谢谢，
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7.2乘1.02用简便方法计算 -
答案如图，
7.2*1+7.2*0.02=7.2+0.144=7.344
7.2*1.02 简便计算 -
1.7.2*(1+0.02)=7.2+(7+0.2)*0.02 =7.2+0.14+0.004 =7.344 2.68*(1-0.01)=68-0.68 =67.32
7.2x(1+0.02)=7.2+0.144=7.344