(78.6-0.786×25+0.75×21.4)÷15×2001
其他答案
(78.6-0.786×25+0.75×21.4)÷15×2001 =[0.786×(100-25)+0.75×21.4]÷15×2001 =(0.786×75+0.75×21.4)÷15×2001 =0.75×(78.6+21.4)÷15×2001 =0.75×100÷15×2001 =75÷15×2001 =5×2001 =10005
2008-06-29 15:49
来自北京市
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