简便计算36×0.25+1/4×19+45×25%
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简便计算36×0.25+1/4×19+45×25%=36x0.25+0.25x19+45x0.25=0.25x(36+19+45)=0.25x100=25
咨询记录 · 回答于2023-02-07
简便计算36×0.25+1/4×19+45×25%
简便计算36×0.25+1/4×19+45×25%=36x0.25+0.25x19+45x0.25=0.25x(36+19+45)=0.25x100=25
36×0.25+1/4×19+45×25%=36x0.25+0.25x19+45x0.25=0.25x(36+19+45)=0.25x100=25
1/4=0.25
25%=0.25
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简便计算36×0.25+1/4×19+45×25%=36x0.25+0.25x19+45x0.25=0.25x(36+19+45)=0.25x100=25