subtraction/without-borrowing/expert · 套题 36
20 problems
姓名:
班级:
日期:
1
4 - 2
=
2
2 - 1
=
3
3 - 2
=
4
8 - 6
=
5
4 - 2
=
6
3 - 1
=
7
2 - 1
=
8
4 - 1
=
9
4 - 2
=
10
4 - 3
=
11
4 - 1
=
12
7 - 5
=
13
6 - 1
=
14
2 - 1
=
15
6 - 5
=
16
9 - 1
=
17
5 - 3
=
18
2 - 1
=
19
9 - 8
=
20
4 - 2
=