小学数学五年级上册简便计算68道题(含答案)

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1、.小学数学五年级上册简便计算68道题（含详细答案）3.29+0.73+2.27        3.29-0.73-2.27       7.5+2.5-7.5+2.57.325-3.29-3.325       7.325-(5.325+1.7)       7.325－(5.325－1.7)3.29+0.73-2.29+2.27    3.29×0.25×40.125×8.80.25×0.28     0.125×3.2×2.5           35×10.2 0.25×4÷0.25×4               3.5×9.9             3.5×99＋3.53.

2、5×101-3.5          3.5×9.9+3.5×0.1          3.5×2.7+35×0.73  3.5×2.7-3.5×0.7     (32+5.6)÷0.8             3.5÷0.6-0.5÷0.6  ..4.9÷1.4            7÷0.25÷4                7÷0.125     7.35÷(7.35×0.25)  7.35÷(7.35÷0.25)  3.07－0.38－1.62       1.29＋3.7＋2.71＋6.3        8－2.45－1.553.25＋1.79－0.59＋1.75    

3、  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       0.25×0.73×47.6×0.8＋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）       

4、3.12＋3.12×99          28.6×101－28.6（4.23＋6.17）×0.8     0.86×15.7－0.86×14.7       2.4×102 14－7.32－2.68    2.64＋8.67＋7.36＋11.33         2.31×1.2×0.5（2.5－0.25）×0.4       9.16×1.5－0.5×9.16       .. 3.6－3.6×0.54.5÷1.8   930÷0.6÷563.4÷2.5÷0.4   4.25÷2.5×9.9＋0.173.9÷（1.3×5） （7.7＋1.54）÷0.7     2.5×2.4  

5、      2.7÷450.35×1.25×2×0.8    32.4×0.9＋0.1×32.4   15÷0.2515÷（0.15×0.4）小学数学五年级上册简便计算练习（答案卷）一、归类练习：3.29＋0.73＋2.27   3.29－0.73－2.27       7.5＋2.5－7.5＋2.5=3.29＋（0.73＋2.27）  =3.29－（0.73＋2.27）   =（7.5－7.5）＋（2.5＋2.5）=3.29＋3      =3.29－3       =0＋5..=6.29=0.29=5（加法结合律）（减法的性质）（同级运算交换）7.325－3.29－3.325 7.

6、325－(5.325＋1.7)       7.325－(5.325－1.7)=7.325－3.325－3.29   =7.325－5.325－1.7 =7.325－5.325＋1.7=4－3.29       =2－1.7       =2＋1.7=0.71=0.3=3.7（减法交换）（减法的性质）（前面减号，脱括号变符号）3.29＋0.73－2.29＋2.27  3.29×0.25×4     0.125×8.8    =（3.29－2.29）＋（0.73＋2.27）  =3.29×（0.25×4）  =0.125×8×1.1=1＋3    =3.29×1      =1×1.1=

7、4=3.29=1.1（同级运算交换）（乘法结合律）（先拆数，乘法结合律） 0.25×0.28   0.125×3.2×2.5         35×10.2=0.25×4×0.07  =（0.125×8）×（0.4×2.5）     =35×（10＋0.2）=1×0.07      =1×1          =35×10＋35×0.2=0.07=1=350＋7（先拆数，乘法结合律）（拆数，乘法结合律）=357（拆数，乘法分配律） 0.25×4