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10.2x3.7简便运算

10.2*37=(10+0.2)*37=10*37+0.2*37=370+7.4=377.4

=( 10+0.2)x3.6=10x3.6+0.2x3.6=36+0.72=36.72请采枘

解3.7*10.2=3.7*(10+0.2)=3.7*10+3.7*0.2=37+0.74=37.74

10.2*1.35=10x1.35+0.2x1.35=13.5+0.27=13.77

此题简便方法如下:3.75x10.2=3.75x(10+0.2)=3.75x10+3.75x0.237.5+0.75=38.25 希望能够帮到你,还望采纳谢谢!

10.2*3.25=(10+0.2)*3.25=10*3.25+0.2*3.25=32.5+0.65=33.15

3.7乘10.2=3.7x(10+0.2)=3.7x10+3.7x0.2=37+0.74=37.74不懂得欢迎追问

3.75x10.2=3.75x(10+0.2)=3.75x10+3.75x0.2=37.5+0.75=38.25

10.2*66.31=(10+0.2)x66.31=10x66.31+0.2x66.31=663.1+13.262=676.362

10.1x3.7=(10+0.1)x3.7=10x3.7+0.1x3.7=37+0.37=37.37 望采纳

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