苏教版小数加减练习题.doc

小数加减（一） 
    73.4+52.1=            93.1-20.9=      63.1-11=        0.33+9.8=  3.56-0.54=      5-4.15=          2.5+9.5=  2.87+1.13=      12.56-10.2=      3.65+1.92=  1-0.04=         0.39+1.5=        4+0.05= 
7.1-1.7=        2.9-2=           10-4.3= 0.4+0.5=        0.64-0.52=       3.8+6.2= 1.2+1.8=        2-0.99=          0.78+2.2=  2.5+3.2=        9.8-4.8=         1.29-0.18=  2.26+0.9=       8-0.82=          0.75+0.25=  1.4+0.5=        10.8-8.5=        6.4+1.07=  0.55+5.5=       1.05-0.09=       0.6+6.45=  4.13-1.8=       0.46+0.54=       1.07-0.47=  1.28+0.22=      2.4-1.9=         0.06+1.5=  2.5-0.9=        4.2+0.53=        3.64+4.36=  5.6+4.4=        0.4+8.7=         4.5+3.8=  1.4-0.6=        7.4-3.8=         5-3.4=  0.28+0.41=      3.8+0.12=        0.57+0.6=   

小数加减（二） 
6.4-0.5=        6.7-5.8=         9.8-3.8=  7.8+6.4=        4.6+2.7=         4.5+2.7=  5-1.6=          3-0.6=       3-1.2=  6.7+7.6=        5.4+7.8=         2.6+3.6=  3.5-1.7=        8.3-2.6=       1.4-0.7=  4.5+2.8=  7.4+2.6=       6.2+1.4=  5.4-2.6=        2.3-1.4=         3.7-1.8=  5.2+1.6=        3.6+0.8=          0.66+1.4=  6.5-5.8=        0.72-0.49=       0.42-0.28=  0.24+0.19=      2.4+1.3=         4.5+2.3=  0.72-0.27=      0.78-0.32=       0.65-0.04=  0.23+0.16=      0.29+0.15=       0.16+0.19=  4-1.2=     7-4.6=           6-0.37=  0.28+0.27=      0.75+0.42=       2.3+1.9=  8-0.64=         2.7-0.8=         10-4.2=  7.1-3.9=        4.3-1.4=         2.6-1.6= 0.8-0.3=        0.65-0.4=        0.91-0.6=  1.8-1.6=        4.8-0.5=         3.2-0.4= 

小数加减（三） 
9.8-4.8=        12-8.3=        15.2-6.5=  20.1-11.1=      13.34-10.32=     6.52-0.48=  6.3-5.1=         8.7-3.6=         14.3-4.3=  1.5+0.54=       10-4.2=          2.47+3.24=  2.98+0.56=      5.64-1.78=     8.02+0.98=  7.1-3.9=        2.8+11.39=       12.53+4.67=  7.2-6.45=       1.65+3.35=      7.96-1.45= 60-1.27=        6.07+4.89=       5-0.41=  0.9+0.5=        2-0.7=           1.2+4.3=   0.12+0.3=        5.4-2.7=         6+2.9=  3.7-1.7=         4.2+0.8=         7.5+2.5=  2.2+4.3=        9.5-7.1=         3.5+1.6=  5.2-2.8=        7.8+1.6=         9.6-4.1=  10-4.2=         5.1-2.5=         4.1-3.4=  1.2+3.8=        9.6-4.1=         7.8+1.6=   3.5+1.6=        4.4-1.4=         2.9+2.1=  3.5+1.2=        4.8-3.4=         6.9-2.5=  2.5+7.8=        8-5.4=           6.9-2.5= 

小数加减（四） 
2+3.5=        6.8-2.2=      4.7+5.4=4.1+8.8=        2.2+5.5=         9.6-2.1=  1.7+3.8=        7.4-3.6=         0.8-0.23=  1.6+2.4=        4.7+3.5=         1.2+3.6=  1.5+3.8=        2.8+1.2=     7.3+2.7=         6.2-3.7=         4.2-3.9=  0.54+0.65=      7.5-5.2=         0.7+0.5=  0.32+0.47=      8.3-6.3=        7.2+0.42=  0.48+0.52=      0.8-0.25=        43.5-0.65=  0.32-0.16=      0.35+0.55=     0.87-0.8= 0.24-0.08=      0.92-0.37=       1.4+0.6=  3.6+4.2=        0.72-0.48=       6.8+3.2=  7.1-3.4=        0.42+0.66=       0.32+0.68=  2.8+7.2=        0.65+0.19=       3.09+1.2=  3.25+5.64=    0.25+0.47= 0.82+0.18=  7.8+2.4=        0.45-0.18=       0.4+0.16=  8.2+1.8=        0.73+0.27=       8-3.2=  9.8-4.8=        3+2.4=           2.8-0.9= 

小数加减（五） 
1.29-0.18=       5.1-0.8=         10-0.3=  9+0.1=          8.9-4.9=         6.8-0.7=  8-0.72=         6.6-3.4=  6.4+1.3=   1.2-0.8=        7.3+6.2=         8.7+3.6=  12.3+0.7=       0.8+9.2=       4.7-1.9=  5.1-3.9=  1.4-0.6=         3.8+6.4=  0.6+7.45=       4.9+0.1=         4.5+3.2=  1.8+0.9=        6.5+0.5=         10.5-6.5=  7.5+0.5=        0.78-0.28=       12.8-2.8=  9.6-2.3=        3.8+0.12=      0.8-0.08=  10-7.4=         7.5-3.2=         0.42+0.58=  0.8+0.15=       2.5+0.4=         8.2-2.6=  1.4-0.7=        2.5+4.6=         0.5+9.8=  6.7-2.6=        7.2+5.9=         8.7-3.6=  5.69-2.48=      2.9+4.1=         9.1-6.7=  2.03+1.2=       8.6-4.9=         1.3+2.03=  9.46-7.21=      1.56+2.24=       3.5-1.25=

小数加减（六） 
0.75＋0.4=    20＋0.78=      4.8＋4.2=  5.7－3=      4.9－1.7=      1.34＋0.8=  2－0.75=     
8.7＋0.03=       0.2－0.09=    8.5＋2.5=       3.4－1.4=        0.68＋0.42=  7.82－7.2=     
 2＋9.1=      0.48＋0.52=  8.1－5.1=       0.78－0.24=      0.8＋0.18=    0.89－0.25=   
1－0.98=         0.9＋0.1=  1－0.8=         4.5－4=          5.6＋4=     5.7＋3.3=       10－4.4=        
 6＋6.6=  9.5－2.7=       1－0.55=         3.7＋4.8=     7＋3.3=         3.25＋0.75=      2.7＋3.9= 
0.7＋0.9=       1－0.44＝        0.9＋1=        14.6－0.4=      10－0.1=         14＋0.78=      
 3＋2.7=         5－0.08=         1.64＋2.35 = 1.1－1=         8.34－6.22=      12.6＋3.4=  
 1.3＋4.3=       7.2＋6.9=        9.3－8.8=  4.4＋15.99=      19.8－5.6=       96.3－56.2 =  
79.2＋56.8=     1.9＋25.793=     88－69.21=  10-0.6=                         4.3+1.7=    
93.27-12.56=                    15.6+3.2=     45.6+90.1=                       30.48+4.295=    
75.42-14.34=                     103.27+96.7=     

小数加减（七） 
脱式计算。 
8.56-4.65+8.29                 5.76+8.65-0.89     32.5+13.29-18.04               24.5+（3.74-0.98）    
10-1.39-4.205  60.6-（3.14+0.4）  18-（4.6+2.08）+0.02           4.69+3.02+0.04+2.7     

小数加减（八） 
用简便方法计算。 
   6.38+7.56+3.62                  24.56-3.81-4.19      
  5.34+6.18+4.66+3.82              59.2-1.43-8.57    
  3.92+4.7+0.08+5.3               （3.38+2.75）+0.25    
  9.1+6.8+3.2+0.9                   0.473+5.6+0.527      

2.8×0.7=           13×0.15=             0.39×0.6=         0.38×600=       
7.05×2.4=           0.46×7.9=            89.3×7.6=         60.5×400= 

12.5×8.2×8             0.23×1.4＋0.23×8.6            0.125×（80＋0.8）      
0.4×0.16×2.5               5.6×101                    7.85×99       
1.15×99＋1.15            16.2×101－16.2              4.5×7.8＋5.5×7.8 

3.05×18=                0.37×2.31=                         4.6×18.9=           40.5×4.2=
2.8+7.2×0.81             0.34×2.5×0.4                  
1.25×11×4×0.8      8.93×5.7＋8.93×3.3＋8.93                   
4.82×102                0.7×0.46+0.7×0.54 

14.3×4.3=    1.5×0.54=         10×4.2=      2.98×0.56=       8.02×0.98=       7.1×3.9=
 2.8×11.3=   12.5×4.6=    7.2×6.45=      1.65×3.3=   7.9×1.45=     60×1.27=     
 6.07×4.8=        5×0.41=   0.9×0.5=       2×0.7=        1.2×4.3=      
 5.4×2.7=     6×2.9=         3.7×1.7=        4.2×0.8=    7.5×2.5=       2.2×4.3=      9.5×7.1=      
 3.5×1.6=  5.2×2.8=     7.8×1.6=         9.6×4.1=          10×4.2=   
5.1×2.5=     4.1×3.4=         1.2×3.8=        9.6×4.1=  7.8×1.6=        3.5×1.6=       
4.4×1.4=        2.9×2.1=  3.5×1.2=      4.8×3.4=         6.9×2.5=        2.5×7.8= 
8×5.4=         6.9×2.5=         2×3.5=        6.8×2.2=    4.7×5.4=      4.1×8.8=        
2.2×5.5=         9.6×2.1=  1.7×3.8=      7.4×3.6=        0.8×0.23=        1.6×2.4= 
4.7×3.5=       1.2×3.6=      1.5×3.8=      2.8×1.2=  7.3×2.7=       7.3×2.7=      6.2×3.7=        
 4.2×3.9=    

0.54×0.65=       7.5×5.2=      0.7×0.5=      0.32×0.47 = 8.3×6.3=       7.2×0.42=    
 0.48×0.52=      0.8×0.25=   43.5×0.65=     0.32×0.16=     0.35×0.55=      0.87×0.8=
 0.24×0.08=     0.92×0.37=      1.4×0.6=       3.6×4.2=    0.72×0.48=      6.8×3.2=       
7.1×3.4=      0.42×0.66=  0.32×0.68=      2.8×7.2=     0.65×0.19=       3.09×1.2= 
3.2×5.64=      0.25×0.47=     0.82×0.18=     7.8×2.4=  0.45×0.18=       0.4×0.16=     
8.2×1.8=     0.73×0.27=    8×3.2=           9.8×4.8=          3×2.4=      2.8×0.9= 
1.29×0.18=      5.1×0.8=          10×0.3=           8.9×4.9=      6.8×0.7=         8×0.72=         
6.6×3.4= 6.4×1.3=        1.2×0.8=      7.3×6.2=         8.7×3.6=   12.3×0.7=       0.8×9.2=      
 4.7×1.9=       5.1×3.9=  1.4×0.6=       3.8×6.4=       0.6×7.45=       4.9×0.1=  4.5×3.2=      
1.8×0.9=        6.5×0.5=      10.5×6.5=  7.5×0.5=     0.78×0.28=     12.8×2.8=     9.6×2.3=      

3.8×0.12=        0.8×0.08=       10×7.4=       7.5×3.2=  0.42×0.58=       0.8×0.15=      
 2.5×0.4=     8.2×2.6=  1.4×0.7=      2.5×4.6=     0.5×9.8=       6.7×2.6=   7.2×5.9=        
8.7×3.6=     5.6×2.48=       2.9×4.1=    9.1×6.7=      2.03×1.2=       8.6×4.9=        
1.3×2.03=  9.46×7.2=     1.56×2.24=      3.5×1.25=     0.75×0.4=  20×0.78=     
4.8×4.2=        5.7×3=         4.9×1.7=    1.34×0.8=     2×0.75=      8.7×0.03=      0.2×0.09=       
8.5×2.5=      3.4×1.4=     0.68×0.42=     7.82×7.2=     2×9.1=       0.48×0.52=   
 8.1×5.1=       0.78×0.24=    0.8×0.18=    0.89×0.25=    1×0.98=         0.9×0.1=      
1×0.8=        4.5×4=     5.6×4=       5.7×3.3=      10×4.4=         6×6.6=     9.5×2.7=       1×0.55= 

小学四年级数学上册简便运算练习题   
25×3×4               25×4×3             25×6×2   36×25                 8×13×125            25×7×4   
19×8×125              25×13×125×32       13×99    125×25×32          25×16×25           
125×56         （25×15）×4           4×25×16×25      12×25 
  98×42                  101×92             125×76×8           17×4×25                25×33×40           
102×35   125×19×8               25×125×16          125×792 
  125×32                 25×48               2008×25            12×4×25                25×17×40            
25×125×8×4    138×25×4              (13×125)×(3×8)        50×(34×4)×3   
28×4×25         125×32×25       9×72×125  58×98            (13×125)×(3×8)      
 (12+24+80)×50      25×32×125              704×25              138×25×4    75×24                 
 102×76               125×88    704×25                 5×289×2       （125×25）×4   
88×102                 25×64×125          4×60×50×8 
  58×98                  25×42×4             68×125×8             4×39×25               25×32×125           
4×75×25          88×125                 25×24                180×125        25×44                     
102×76              103×32    382×101-382                （25+15) ×4              35×8+35×6-4×35   
4×25+16×25             26×39＋61×26         356×9－56×9  
  99×55＋55        78×101－78           52×76＋47×76＋76        134×56－134＋45×134       
48×52×2－4×48         32×(25+125)   32×(25+125)                83×102－83×2          98×199 
 178×101－178         84×36+64×84           75×99+2×75       123×18－123×3+85×123     
 25×（24+16）          49×49+49×51  178×99+178          79×42+79+79×57      
 （125 + 17）×8 49×99+49                  2. 724+26×24+724    
85×82 + 82×15             25×97 + 25×3            64×15－14×15 87×99 + 87                 
66×93+93×33+93         76×101－76 36×45+36×56－36         36×97—58×36+61×36    
79×25 + 25  49×102－2×49              1. 384＋98×25×4           125×（80+8）    
125×（40+8）        （100-4）×25          （80-4）×25  57×32+32×43          173×61-73×61       
 52×14-22×14  81+791×9              101×32-32              72+99×72 （20-4）×25         
  123×47+177×47          528×6-6×128