4936乘(0.75乘42.7减0.573乘25加57.3)除以3_数学解答

4936乘(0.75乘42.7减0.573乘25加57.3)除以3

人气：456 ℃　时间：2019-10-30 07:25:51

解答

4936*(0.75*42.7-0.573*25+57.3)/3=4936*(0.75*42.7-25*0.573+100*0.573)/3=4936*[0.75*42.7+(100-25)*0.573]/3=4936*(0.75*42.7+75*0.573)/3=4936*(75*0.427+75*0.573)/3=4936*[75*(0.427+0.573)]/3=4936*75/3=4936...