45.3x101-45.3的简便运算解:采用分配律,原式=45.3x101-45.3=45.3x(101-1)=45.3x100=4530
45.3×(101-1)=45.3×100=4530
45.3*101-45.3=45.3*(101-1)=45.3*100=4530
=45.3x101-45.3x1=45.3x(101-1)=45.3x100=4530