小数加减法练习100道.doc

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1、2.3856+4.55006=         0.3968+0.0069=          0.9021-0.0876=        0.3009-0.2986=      0.5769+6.8576=          23.0023-17.9687=        4.2356-3.8797=        6.0302-5.9867=      0.6698+7.6385=          4.0123-3.2768=          0.9867+2.6458=       98.006-0.9969=     

2、 6.0126-5.6759=          9.7729+2.6392=          3.0012-2.9654=        0.9968+2.9687=      6.2354-3.6987=          2.6987+8.7856=          23.612-19.987=        0.6958+3.6957=      0.3219+5.9798=          3.3216-1.6798=          0.6987+9.9889=        0.6979+2.9683=   

3、   2.0306-0.6879=          3.6859+9.5593=          0.9025-0.5687=        2.6959+9.6874=      20.0021-19.6879=        0.9549+3.6959=         7.0253-5.9687=         3.6987+9.5496=45.55－（6.82＋15.55）    34.52－17.87－12.23        4.57+3.17+3.43                3.45＋8.7＋16.55

4、23.75－8.64－3.36          17.83－9.5－7.83 27.3+73.2+72.7        585+189+215      5.85－1.75－0.25     14.79－3.9+4.08        5.85+(1.84－1.15  )     24.84+14.6－15.4  42.5－22.17－7.83         3.8+11.37+6.25.6-4.34+7.346              85.7-（15.3-4.8）                  9.5+4.85-6

5、.13  25.4-（15.3+7.7）           3.6－1.28＋3.09                    3.8-0.46-1.723  25.6-(0.23+5.6)    13.75-(4.75+6.48)   7.83+2.34-0.83  3.82+2.9+0.18   25.48-((9.4-0.52)     35.6-1.8-15.6    5.93+0.19+2.81   7.3+2.7+2.7      48.4+2.78+51.6     23.4+0.8-13.4  4.8+8.63+5

6、.2  3.07-0.38-1.62      1.27+3.9+0.73     5.84-1.8-3.2    132.44-(58.74+19.44)    7.5+4.8-6.58.85+65.12+27.64=49.56+12.07-8.78=56.35-45.2+32.47=65.12+58.69-27.64=49.56-8.56+12.07=56.35-32.47+56.23=54.5+22.5-31.35=72.5-(5.2+12.6）=42.7-31.32+13.62=17.25+2.9-4.25=34.26+1

7、2.72-4.26=