20道小数加减法

12.9+12.4= 89.5-55.5=
2.3+2.7= 76.1-1.2=
8.9+5.7= 1.2-0.1=
55.5+44.4= 59.1-32.8=
32.4+32.4= 62.7-12.9=
54.6+12.3= 99.9-88.8=
58.7+69.8= 8.1-1.1=
32.1+65.4= 9.1-2.9=
74.1+96.3= 10.3-10.1=
11.1+22.2= 100.125-94.5125=

12.9+12.4=
89.5-55.5=
2.3+2.7=
76.1-1.2=
8.9+5.7=
1.2-0.1=
55.5+44.4=
59.1-32.8=
32.4+32.4=
62.7-12.9=
54.6+12.3=
99.9-88.8=
58.7+69.8=
8.1-1.1=
32.1+65.4=
9.1-2.9=
74.1+96.3=
10.3-10.1=
11.1+22.2=
100.125-94.5125=

2.78+5.7 5.4+6.32 8.79-5.46 4.12+6.2 7.95+2.6 1.58+5.78

如果是口算题，可以到我的博客下载一个小数口算出题程序。
http://hi.baidu.com/bxm78/blog/item/d20e513ffefd2c3771cf6c7d.html

牛人