小学六年级数学简便计算题集1.doc

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1、课后练习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÷1.71×992.3755+29963.8439+10014.446+2955.888+9996.112

2、5-9967.299×1018.563×9999.2100÷2010.6÷0.2511.72×156-56×7212.25×32×12513.709×99+70914.0.25×4815.2.5×0.4×216.2×6.6+2.5×617.75.3×99+75.318.4.6×3.7+54×0.3719.0.125×+×8.25+12.5%20.11―6―121.15―4.25―522.19.82―6.57―3.4323.4.6+3+6+5.424.4+2.25+5+725.9.63÷2.5÷426.8.37-3.25-(1.37+1.75)