Question

四年级数学加减法练习题240道

四年级数学加减法练习题240道

Answer 1

请问范围是多少到多少的呢
4.8-1.0= 18.4-16.6= 4.5+3.3=
20.1+0.1= 13.9+4.6= 16.5+4.3=
11.5+6.9= 7.4+2.6= 9.2-7.0=
19.8+0.3= 18.0+2.2= 20.4-8.8=
5.4-0.8= 16.6-3.1= 10.4+6.2=
2.5+15.7= 6.1+5.1= 14.0-1.4=
17.0+2.5= 1.3+16.3= 6.1-2.2=
19.1+1.6= 14.8-2.6= 16.3+3.2=
9.2+4.0= 15.3-13.7= 17.6+0.2=
2.6-2.4= 20.7-17.3= 15.7+0.7=
4.7+9.4= 12.1-11.2= 4.4+4.7=
0.8-0.5= 18.5-15.4= 6.0+2.8=
17.2-5.9= 17.3+2.4= 11.7+0.7=
6.1+14.0= 20.9+0.0= 5.4+4.3=
5.4-5.0= 15.5+3.8= 17.2-5.5=
18.4-11.9= 11.6-1.2= 19.0+2.0=
19.9+0.3= 4.5+3.1= 14.2-11.8=
0.1-0.0= 20.8-11.9= 18.1+0.8=
3.5+14.6= 6.9+11.6= 3.8-2.8=
14.6-12.2= 9.1+7.5= 14.6+6.3=

Answer 2

这个您可以到百度文库里面去找一下，里面还是很多的
http://wenku.baidu.com/view/5f47a683fab069dc502201a6.html?from=search