8-4.68/4.5X(0.25+0.5)简便算法_数学解答

8-4.68/4.5X(0.25+0.5)简便算法

人气：138 ℃　时间：2020-03-20 14:41:20

解答

8-4.68/4.5X(0.25+0.5)
=8-468/450*(25+50)/100
=8-468/(75*6)*75/100
=8-468/6/100
=8-6*78/6/100
=8-78/100
=(800-78)/100
=722/100
=7.22