subtraction/facts/starter · 套题 37
20 problems
姓名:
班级:
日期:
1
5 - 2
=
2
2 - 1
=
3
6 - 3
=
4
7 - 4
=
5
2 - 1
=
6
8 - 1
=
7
9 - 4
=
8
2 - 1
=
9
4 - 2
=
10
5 - 4
=
11
2 - 1
=
12
5 - 2
=
13
6 - 2
=
14
2 - 1
=
15
8 - 7
=
16
6 - 3
=
17
2 - 1
=
18
8 - 1
=
19
3 - 2
=
20
3 - 1
=