三年级数学小数点加减法练习题

班级:               姓名：                日期:             

8.6－3.9=           5.5－4.7=         8.4－2.8＝           9.4＋8.7＝       

10＋4.7＝         10－5.5＝         3.6＋3.7＝          4.4－2.8＝ 

7.5－4.7＝            4.7＋2.9＝         5.3－3.8＝            5.6＋8.8＝     

8.3－4.7＝       2.6＋4.8＝           6.4－4.5＝          4.7＋4.9＝     

5.5－1.8＝          1.7＋9.5＝      8.7－4.5＝           7.6＋2.8＝            

1.7＋5.9＝          9.8－5.9＝      5.8＋1.9＝            4.3－1.9＝ 

3.6＋3.8＝             9.4－3.6＝         3.6＋6.8＝        5.6＋4.7＝    

6.5－5.7＝       4.7＋1.8＝           9.4－3.8＝            8.4－3.7＝

2.7＋6.7＝            9.5－7.9＝           3.8＋2.7＝            3.8＋4.5＝     

3.6＋5.8＝             5.7－3.4＝       8.4－2.8＝             3.7＋6.8＝         

21.8+30.6=         13.2+65.3=        88.4-52.7=

50.8+35.6=         45.8+32.1=        36.4+54.1=

28.4+12.3=         62.3+27.7=        98.4-.3=

12.3+13.4=         45.3+86.2=        67.4-35.5=

13.5+12.3=         55.4+44.6=        100-54.9=

24.6+13.6=         44.8+36.7=        38.8+42.1=

56.3+23.5=         58.8+46.7=        72.6+54.3=

45.2+16.3=         99.2-54.6=        44.6+23.8=

46.3+23.7=         85.3-23.6=        56.7-42.8=

56.3+45.2=         46.5-36.1=        66.3-45.7=

45.6-12.3=         45.6-12.8=        87.3-55.6=    77.6-44.9=

88.4-51.9=         22.8+46.7=        1.3+12.7=       5.8+56.7=

45.7+61.8=         6.9+4.7=        12.3+46.2=      56.7+4.9=

15.7+46.5=         23.5+48.7=        15.6+74.3=      23.5+46.7=

56.3+14.7=         56.3-28.7=          15.7-5.6=       87.6-45.9=