0工作表
姓名: ____________________日期: ____________
指示: 20 以内的减法,包括倒数和事实族。
0问题
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______
- 0 = ______