试题 试卷
题型:解决问题 题类:常考题 难易度:容易
北师大版数学一年级下册第一单元第四课开会啦同步练习
1,2,3,4,6,7,10,12,15
12 – 7 = 12 – 4 = 12 – 9 = 12 – 6 =
13 – 5 = 13 – 9 = 13 – 7 = 13 – 4 =
11-6 16-8 10-5
7+5 12-4 14-9
12+0 15-7 17-9
试题篮