人教版小学四年级下册小数加减口算练习题

6.4－0.5=        6.7－5.8=           9.8－3.8=           0.23+0.16=

7.8+6.4=        4.6+2.7=             4.5+2.7=            0.29+0.15=

5-1.6=         3-0.6=                3-1.2=              0.16+0.19=

6.7+7.6=        5.4+7.8=             2.6+3.6=            7-4.6=

3.5-1.7=         8.3-2.6=              1.4-0.7=              6-0.37=

4.5+2.8=        7.4+2.6=             6.2+1.4=             4-1.2=

5.4-2.6=        2.3-1.4=             3.7-1.8=             0.28+0.27=

5.2+1.6=        3.6+0.8=            0.66+1.4=            0.75+0.42=

6.5-5.8=        0.72-0.49=           0.42-0.28=             8-0.=

0.24+0.19=     2.4+1.3=            4.5+2.3=              0.72-0.27= 

0.78-0.32=       0.65-0.04=            2.3+1.9=             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.－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.=         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= 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.= 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.-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.+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=

小数加减(七)

计算并验算。

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. 32.5+13.29-18.04 24.5+(3.74-0.98) 10-1.39-4.20560.6-(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