math-match/addition-facts/expert · 套题 4
8 problems
姓名:
班级:
日期:
1
4 + 15
=
2
13 + 3
=
3
20 + 8
=
4
5 + 2
=
5
10 + 8
=
6
9 + 15
=
7
6 + 20
=
8
8 + 20
=