四年级下册小数加减法计算练习题

班级：             姓名：             

一、计算下列各题（请将解答步骤书写在家庭作业本上。）

25.6-(0.23+5.6)-1.77         13.75-(4.75+6.48)           7.83+2.34-0.83+6.66   3.82+2.9+0.18+9.1      25.48-((9.4-0.52)           35.6-1.8-15.6-7.2    

 5.93+0.19+2.81              7.3+2.7-7.3+2.7       48.4+2.78+51.6-0.78  

23.4+0.8-13.4-7.2           4.8+8.63+5.2+0.37          3.07-0.38-1.62  

1.27+3.9+0.73+15.1          5.84-1.8-3.2           132.44-(58.74+19.44)      7.5+4.8-6.5            3.25+2.76+1.75              13.75-(3.75+6.48)    

 7.14-0.53-2.47              13.45-4.68+2.55           47.8-7.45+8.2  

 36.8-4.5+6.98                 49.8-9.6+8.8                    15.2-6.8-3.45 

 1.76+0.65+3.24           0.134+2.66+0.8               7.5+4.9-6.3     

3.45+1.79+0.65         4.85+8.63+0.37            1.76+3.44+0.35      

 36.54-1.76-8.66                8-2.45-1.02          23.4+3.4-0.23     

 6.02+3.6+1.98                 3.07-0.38-1.62               7.5+4.9-6.5  

 36.8-3.9-6.88               3.285+1.79+0.59           23.4-0.8+13.4      

 32+4.9-8.6           1.29+3.7+2.71               5.93+0.49+2.06        

  9-2.45-1.65                21+0.56+11.3            5.98+1.43-6.78

 二、简算下列各题。

  27.3+73.2+72.7           5.85+18.9+2.15         5.85－1.75－0.25   

  768－274－126         5.85+1.+2.15           24.8+14.6+15.4   

 42.5－22.17－7.83      3.8+1.37+6.2+12.63     17.05－(2.05－6.4)     

  3.73+5.28+4.27+4.72    6.42+3.99-3.42      16.77-(5.77+4.26)

6.85+4.-5.85+2.36     15.58-(5.58-3.)    15.58-(7.-4.42)

6.47-1.88-4.12+3.53      16.29-(7.96+6.29)    5.94-4.+3.06

7.69-(4.69-2.)       9.87-(7.98+0.87)    12.56-6.49+7.44-3.51