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836+199=25.3+50.1=1632-698=48.5-30.1=35+199=540除36=43.7*5分之3+43.7除2又2分之一=简算写过

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836+199=836+200-1=103525.3+50.1=25+50+0.3+0.1=75.41632-698=1632-700+2=93448.5-30.1=48-30+0.5-0.1=18+0.4=18.435+199=35+200-1=234540/36=540/(4*9)=(540/9)/4=1543.7*2/5+43.7/(二又二分之一)=43.7*(3/5+2/5)...