2024-07-16 15:40| 来源: 网络整理| 查看: 265
口算题数：30 道/页
7-2= 2+5 = 4+2= 3+4 = 6+0= 10-7 = 8-5= 1+2 = 9-6= 5-2 = 3-1= 5+3 = 4+2= 8-4 = 3+4= 10-8 =...