subtraction/with-borrowing/hard · 套题 56
20 problems
姓名:
班级:
日期:
1
2 - 1
=
2
9 - 7
=
3
5 - 4
=
4
4 - 2
=
5
3 - 2
=
6
8 - 2
=
7
2 - 1
=
8
3 - 2
=
9
4 - 3
=
10
6 - 3
=
11
9 - 1
=
12
2 - 1
=
13
4 - 1
=
14
8 - 7
=
15
4 - 3
=
16
2 - 1
=
17
7 - 4
=
18
8 - 5
=
19
7 - 4
=
20
2 - 1
=