经典毕业简便运算题练习.doc

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1、简便计算×6.6＋2.5×－－4.6+++5.4×(－÷)2.8++7.2++2.25++++－++－++0.75+++0.375＋+++－(+)5--48.3--×4.25+÷60.625×0.5++×62.5%×÷2.5×(+++)22×+25×75%-7×0.750.25×63.5－××2.5-×+3.125+++(-1.8)(111+999)÷[56×(-)]49.5×-(50-)×0.6×+÷+45×(+－0.6)897×－37.5%+104×0.375×(－5.375)3.5×+1.25×+3.8÷71×993755+2

2、9968439+1001446+295888+9991125-996299×101563×9992100÷206÷0.2572×156-56×7225×32×125709×99+7090.25×482.5×0.4×22×6.6+2.5×675.3×99+75.34.6×3.7+54×0.370.125×+×8.25+12.5%11―6―115―4.25―519.82―6.57―3.434.6+3+6+5.44+2.25+5+79.63÷2.5÷48.37-3.25-(1.37+1.75)