北师大版四年级下册数学期中易错计算题集训

1、直接写得数。

1-0.25=      1.1×0.4=      4.9+0.1-4.9+0.1=        5.6+4=  

7.5×4=      0.6-0.23=      0.86×1.2=          0.05×1.6=

2.7+8.4=      0.9-0.3=       0.6×0.7=           6.2+0.04=

12.5×8=        9.7-7=        12.5÷10=        0.05×1000=

0.06+6.34=      1-0.8=         5.7+0.3=         48×0.15 =      1.2×0.4=   0.01×0.8=         1.3+2.5=         26.2-13.1=

0.6×4=     0.36×0.5=       4.56+0.39=           12.5×8=

0.6-0.23=    3.2×0.2=          10-3.8=          1.3+0.45=

6.9-0.69=    0.02×500×0=     0.16+0.5=         6.1÷100=

3.2×100=     1.2+0.8=           10-0.6=          7.8+3.2=

0.2×0.5=     9.7-7=             3.2÷10=        3.2×0.1=

63÷100=      0.23×4=           4.3-0.8=         12.5×8=

2.6+2=        4.3-0.3=            1.5×2=          11-1.9=

2.4+6=          5.3-3=            6×0.7=         1.5×100=

5×0.08=     5.4÷100=            0.2÷1=        0.3×0.6=

9×0.3=      0.35×0.1=          50×0.6=          2.5×4=

0.4×0.4=    0.0101×10=          0.25×4=        0.8÷10=

2、用竖式计算。

18-6.27=      5.08×0.65 =      14.25×300=    11.65-7.39 =    

9.8×0.5 =      15.4+2.96=      3.8×4=       21.7+2.86 =    

16.05-9.7=     1.4×0.58=     1.08×7.5=       720×0.45 =      

18-7.28 =      9.8×0.5=       0.32×12 =        4.15+0.8=

8-1.36=       2.06×1.4=       5.93+8.07=       0.76×5.8=

35.5+7.8=     100-68.34=        5.2×2.7=        46×0.35=

35.7-8.5=      4.6×1.2=        100-45.8=       5.6×1.04=

5.11×4.08=    32.5×20=       0.012×0.55=    4.05×0.16=

90×2.37=    4.5×3.68=

3、能简算的要简算。

37.25+28.7+12.75                    23-1.5×8.2

12.5-1.68-2.32                  7.2+24.4+13.38+5.6

0.7×101-0.7                       0.125×4.7×8

0.25×3.7×0.4                  0.86×6.4-0.86×5.4

4.2+5.8×2.3                     5.81+8.3+4.19+11.7

4.5×3.6+5.5×3.6                  4×5.34×2.5

（17.48-9.86）×1.2                70.8-1.25-1.75

0.25×9.5×4                      （8+0.8）×1.25

2.5×6.71-2.5×2.71               10.79-10.79×0.4

2.5×3.8×0.04                      37.86-0.47-7.86

0.68×3.2+0.68×6.8                 30-1.16-8.84

7.45+11.7+1.55+8.3                50.2×（0.7+0.6）

3.9×5.7+5.7×6.1                    7.2+2.8×3

1.25×2.6×0.8                   0.72×5.4+4.6×0.72

7.18+9.3+2.19+0.7             （8+0.8）×1.25

3.2×1.9+6.8×1.9             0.125×4×8×0.25

0.32×8×1.25                   15.6-5.6×1.2

18×0.125                     4.3×7.1+5.7×7.1

（2.5+0.25）×4                 10.1×101-10.1