如题所述
4-5*8+3^2-8/2=4-40+9-4=-31
4.5^2/81+3.6*(2.6+3*3.6)-8.4/0.7
=20.25/81+3.6*(2.6+10.8)-12
=0.25+3.6*13.4-12
=0.25+48.24-12
=36.49
4.5^2/81+3.6*(2.6+3*3.6)-8.4/0.7
=20.25/81+3.6*(2.6+10.8)-12
=0.25+3.6*13.4-12
=0.25+48.24-12
=36.49
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第1个回答 2012-11-09
题呢?