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