20以内加减法题卡20套_9
姓名: 时间: 成绩:18- 5 = 17-11 = 13+ 6 = 17- 5 = 16-10 = 5 - 4 = 9 - 4 = 16- 1 = 7 +10 = 9 - 0 = 18+ 1 = 6
20以内加减法题卡20套_9