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数学简便计算题

作者:蔡庆彤  教学 班主任 六年级   2010/12/17 14:57:08 (13年前) 点击:21506次
下面各题怎样算简便就怎样算。

6.9+4.8+3.1              0.456+6.22+3.78          15.89+(6.75-5.89)





4.02+5.4+0.98           5.17-1.8-3.2               13.75-(3.75+6.48)





3.68+7.56-2.68           7.85+2.34-0.85+4.66      35.6-1.8-15.6-7.2





3.82+2.9+0.18+9.1       9.6+4.8-3.6                 7.14-0.53-2.47





5.27+2.86-0.66+1.63     13.35-4.68+2.65           73.8-1.64-13.8-5.36





47.8-7.45+8.8            0.398+0.36+3.64            15.75+3.59-0.59+14.25





66.86-8.66-1.34           0.25×16.2×4       (1.25-0.125)×8

                

3.6×102                  3.72×3.5+6.28×3.5         36.8-3.9-6.1





15.6×13.1-15.6-15.6×2.1         4.8×7.8+78×0.52       32+4.9-0.9    





4.8×100.1          56.5×9.9+56.5        7.09×10.8-0.8×7.09





25.48-(9.4-0.52)           4.2÷3.5            320÷1.25÷8   



         

18.76×9.9+18.76         3.52÷2.5÷0.4       3.9-4.1+6.1-5.9



5.6÷3.5                9.6÷0.8÷0.4        4.2×99+4.2 





17.8÷(1.78×4)         0.49÷1.4           1.25×2.5×32         3.65×10.1                 





15.2÷0.25÷4      0.89×100.1          146.5-(23+46.5)





3.83×4.56+3.83×5.44      4.36×12.5×8      9.7×99+9.7  





27.5×3.7-7.5×3.7         8.54÷2.5÷0.4       0.65×101    3.2×0.25×12.5  





(45.9-32.7)÷8÷0.125   3.14×0.68+31.4×0.032    5.6÷1.25÷0.8÷2.5÷0.4





7.2×0.2+2.4×1.4        8.9×1.01       7.74×(2.8-1.3)+1.5×2.26





3.9×2.7+3.9×7.3      18-1.8÷0.125÷0.8          12.7×9.9+1.27        





21×(9.3-3.7)-5.6      15.02-6.8-1.02            5.4×11-5.4 





2.3×16+2.3×23+2.3        9.43-(6.28-1.57)        3.65×4.7-36.5×0.37        





46×57+23×86       13.7×0.25-3.7÷4           2.22×9.9+6.66×6.7                      





101×0.87-0.91×87    10.7×16.1-15.1×10.7      0.79×199   





4.8+8.63+5.2+0.37     5.93+0.19+2.81       1.76+0.195+3.24 





2.35+1.713+0.287+7.65    1.57+0.245+7.43     6.02+3.6+1.98





0.134+2.66+0.866      1.27+3.9+0.73+16.1     7.5+4.9-6.5  





3.07-0.38-1.62     1.29+3.7+2.71+6.3    8-2.45-1.55





3.25+1.79-0.59+1.75   23.4-0.8-13.4-7.2    0.32×403





3.2+0.36+4.8+1.64    1.23+3.4-0.23+6.6      0.25×36





12.7-(3.7+0.84)    36.54-1.76-4.54      0.25×0.73×4





7.6×0.8+0.2×7.6         0.85×199          0.25×8.5×4   



1.28×8.6+0.72×8.6     12.5×0.96×0.8      10.4-9.6×0.35





0.8×(4.3×1.25)      3.12+3.12×99      28.6×101-28.6





0.86×15.7-0.86×14.7     2.4×102          2.31×1.2×0.5





14-7.32-2.68    2.64+8.67+7.36+11.33     70÷28  





(2.5-0.25)×0.4      9.16×1.5-0.5×9.16      3.6-3.6×0.5



    

63.4÷2.5÷0.4             4.9÷1.4          3.9÷(1.3×5)   





(7.7+1.54)÷0.7         2.5×2.4           2.7÷45     15÷(0.15×0.4)



0.35×1.25×2×0.8          32.4×0.9+0.1×32.4     15÷0.25 




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