20 以内加减法练习(一)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 +10 =4 - 0 =18-12 =17-17 =10+ 2 =10-10 =9 - 0 =15- 0 =4 + 1 =0 +16 =2 + 2 ...
时间:2024-11-23 03:27栏目:行业资料