简便运算:5.29*11.7+5.29*7.3+5.29

问题描述:

简便运算:5.29*11.7+5.29*7.3+5.29

原式=5.29*(11.7+7.3+1)
=5.29*20
=10.58

5.29*(11.7+7.3+1)=5.29*20=105.8

5.29*11.7+5.29*7.3+5.29
=5.29x(11.7+7.3+1)
=5.29x20
=105.8

原式=5.29*(11.7+7.3+1)
=5.29*20
=105.8