五年级下册分数简便运算题.doc

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1、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   35.6－1.8－15.6－7.23.82＋2.9＋0.18＋9.1    9.6＋4.8－3.6       7.14－0.53－2.475.27＋2.86－0.66＋1.63   13.35－4.68＋2.65     73.8－1.64－13.8－5.3647.8－7.45+8.8    

2、   0.398+0.36+3.64      15.75+3.59－0.59+14.2566.86－8.66－1.34     0.25×16.2×4        (1.25－0.125)×83.6×102          3.72×3.5＋6.28×3.5     36.8－3.9－6.128.6×101－28.6       4.8×7.8＋78×0.52     32＋4.9－0.94.8×100.1         56.5×9.9＋56.5      7.09×10.8－0.8×7.0925.48－(9.4－0.52)     4.2÷3.5          320÷1.2

3、5÷818.76×9.9＋18.76      3.52÷2.5÷0.4        3.9－4.1＋6.1－5.95.6÷3.5          9.6÷0.8÷0.4        4.2×99＋4.217.8÷(1.78×4)       0.49÷1.4         1.25×2.5×3215.2÷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＋9.727.5×3.7－7.5×3.7     8.54÷2.5÷0.4        0

4、.65×101(45.9－32.7)÷8÷0.125   3.14×0.68＋31.4×0.032    5.6÷1.25÷0.8÷2.5÷0.47.2×0.2＋2.4×1.4     8.9×1.01          7.74×（2.8－1.3）＋1.5×2.263.9×2.7＋3.9×7.3     18－1.8÷0.125÷0.8      12.7×9.9＋1.2721×（9.3－3.7）－5.6   15.02-6.8-1.02        5.4×11-5.42.3×16+2.3×23+2.3     9.43-（6.28-1.57）      3.65×4.7－36.5×0

5、.3746×57＋23×86       13.7×0.25－3.7÷4       2.22×9.9+6.66×6.7101×0.87-0.91×87     10.7×16.1-15.1×10.7      0.79×1994.8+8.63+5.2+0.37     5.93+0.19+2.81        1.76+0.195+3.242.35+1.713+0.287+7.65   1.57+0.245+7.43       6.02+3.6+1.980.134+2.66+0.866      1.27+3.9+0.73+16.1      7.5＋4.9－6.53.07－0.38－

6、1.62      1.29＋3.7＋2.71＋6.3     8－2.45－1.553.25＋1.79－0.59＋1.75   23.4－0.8－13.4－7.2     0.32×4033.2＋0.36＋4.8＋1.64    1.23＋3.4－0.23＋6.6     0.25×3612.7－（3.7＋0.84）    36.54－1.76－4.54       0.25×0.73×47.6×0.8＋0.2×7.6      0.85×199           0.25×8.5×41.28×8.6＋0.72×8.6     12.5×0.96×0.8         10.4－9.6

7、×0.350.8×（4.3×1.25）      3.12＋3.12×99