可以，原式=2.25+1.25×1.8×0.1=2.25×1.1=2.475
2.25+1.25×0.18=2.25+1.25x(0.1+0.08)=2.25+0.125+0.1=2.25+0.225=2.475
2.25+(1+0.25)x(0.1+0.08)=2.25+1x0.1+1x0.08+0.25x0.1+0.25x0.08=2.25+0.1+0.08+0.025+0.02=2.475
不能简便算
