三年级上数学小数加减法口算练习题

小数加减法计算练习题

列竖式计算

2.1+0.12= 0.3+0.7=

3.6+1.8= 7.5-0.5=

3.7-0.9= 2.1-0.2= 3.5+2= 1.2+3= 1.9-1.1=

4.5-0.3= 1.2+4.5= 13.5-0.6=

7.3+3.2= 5.6-3.9= 1.9+6.2= 0.9+0.8=

4.5-2.1= 1.5-0.5= 1-0.9= 2.3+0.6= 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= 10.5-9.1=

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

3.5-0.6= 2.2+5.3= 7.4+1.2= 5.2-3.9= 8-6.2= 1.7-0.5= 1.4-0.9= 2.3+0.8=

4.9+0.8= 7.5-2.4= 2.6+0.4= 3.9-0.8= 7.9+8.2=

5.2+5.5= 1.3-0.9= 0.8－0.55= 5－0.08=

6.9+6.4= 5.4+6.7= 14.6－0.34= 1.3＋8.56=　

4－0.04= 1－0.03= 30.5＋3.05= 0.8－0.45=　

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＝ 0.36＋0.64＝

1－0.9＝ 2.3＋0.6＝ 0.9＋0.8＝ 1.9－0.9=

3.5－2.4= 0.96－0.3＝ 7.5－3.18= 0.51－0.37= 4－0.82= 5.26－

4.75= 13－3.9=

5.2＋0.48=

8.04－7.4= 0.68＋0.06= 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= 80.16－21.9=　

8.7－7.8= 26.7＋147.2= 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= 8.17-5.26=　38.63-3.48= 1.16+4.77= 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= 61.9+

6.2=

39.4-2.75= 67.3-1.26= 46.8-2.8= 47.6-2.15=

67.1-6.6= 44.4+1.4= 1.7+9.66= 43.3+6.3=

64.4+8.67= 55.5-1.9= 38.9-5.55= 8.24＋3.76=

0.7＋0.9= 0.8＋0.6= 4.1－3.8= 0.78＋2.2=　

14＋0.78=