(7/9-5/6+1/8)*18-1.45*6+39.5*6_数学解答

(7/9-5/6+1/8)*18-1.45*6+39.5*6

人气：389 ℃　时间：2020-04-26 07:53:03

解答

(7/9-5/6+1/8)*18-1.45*6+39.5*6
=(7/9)*18-(5/6)*18+(1/8)*18+(39.5-1.45)*6
=14-15+2.25+38.05*6
=1.25+228.3
=229.55