41.2*8.1+61*1.25+537*0.19
问题描述:
41.2*8.1+61*1.25+537*0.19
答
41.2*8.1+61*1.25+537*0.19
=412*0.81+61*1.25+412*0.19+125*0.19
=412+61*1.25+1.25*19
=412+80*1.25
=512
楼上的对的!