小学三年级数学小数点加减法

小学三年级数学小数加减法口算练习题

2.1+0.2= 0.3+0.7=

3.6+1.6= 7.5-0.5=

3.7-0.9= 2.1-0.2= 3.5+0.2= 1.2+0.3=

1.9-1.1= 4.5-

2.3= 1.2+4.5= 1

3.5-0.6=

7.3+3.2= 5.6-3.9= 1.9+6.2= 4.5-2.1=

1.5-0.5= 1-0.9=

2.3+0.6= 0.9+0.8=

1.9-0.9= 3.5-

2.4= 0.6+0.4= 7.9-0.3=

4.1+0.8= 2.3+0.7= 3.4+1.2= 7.2-3.5=

3.7-2.9= 2.3-1.2= 6.5+1.2= 2.2+5.3=

2.3-1.7= 1.5+4.3= 1.1+4.7=

3.5-0.6=

7.4+1.2= 5.2-3.9= 8.9-6.2= 10.5-9.1=

1.7-0.5= 1.4-0.9=

2.3+0.8= 4.9+0.8=

1.3-0.9= 7.5-

2.4= 2.6+0.4=

3.9-0.8=

7.9+8.2= 5.2+5.5= 6.9+6.4= 5.4+6.7= 14.6－0.34= 1.3＋8.56= 0.8－0.55= 4－0.04=

1－0.03= 30.5＋3.05= 0.8－0.45= 5－0.08=

3.25＋0.75= 8.65－6.31= 10－7.64= 13.6＋8.46=

0.99＋1.1= 10－0.1= 1.5－0.5＝1－0.9＝ 2.3＋0.6＝0.9＋0.8＝ 1.9－0.9= 3.5－2.4= 0.36＋0.64＝0.96－0.3＝

7.5－3.18= 0.51－0.37= 4－0.82= 5.26－4.75= 13－3.9=

8.04－7.4= 0.68＋0.06= 5.2＋0.48= 1－0.73= 3.6＋4.8= 0.78－0.28= 20.9－9.7= 10－0.09= 3.8＋0.12= 0.01＋0.1=

4.9＋

5.1= 4.7－0.47= 8.7－7.8= 2

6.7＋14

7.2=

80.16－21.9= 100－19.2= 15.78＋2.45= 33.4－9.48=

6.14+3.83=

7.93-1.64= 5.23-2.36= 3.44+3.36=

7.74-5.85= 9.35-4.74= 38.63-3.48= 1.16+4.77=

8.17-5.26= 2.26-0.86= 4.93+4.75= 76.55+4.68=

31.1+4.5= 31.9+3.4= 3.45+4.6= 4.45+54.5=

3.83+5.55= 2.75+1.3= 39.4-2.75= 67.3-1.26=

61.9+6.2= 67.1-6.6= 46.8-2.8= 47.6-2.15=

44.4+1.4= 1.7+9.66= 43.3+6.3= 64.4+8.67= 55.5-1.9= 38.9-5.55= 0.7＋0.9= 0.8＋0.6= 8.24＋3.76= 4.1－3.8= 0.78＋2.2= 14＋0.78=