解:
原式
=16.2x(10-0.1)+16.2
=162-1.62+16.2
=162+16.2-1.62
=178.2-1.62
=176.58
简便计算方式如下:16.2×9.9+16.2=16.2×(9.9+1)=16.2×10+16.2×0.9=176.58
