脱式计算过程方法如下解:18.76×9.9+1.1×18.76-18.76=185.724+20.636-18.76=206.36-18.76=187.6
18.76×9.9+1.1×18.76-18.76=18.76×(9.9+1.1-1)=18.76×10=187.6