subtraction/with-borrowing/hard · 套题 52
20 problems
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班级:
日期:
1
5 - 1
=
2
6 - 5
=
3
2 - 1
=
4
3 - 2
=
5
4 - 3
=
6
6 - 1
=
7
6 - 2
=
8
5 - 3
=
9
3 - 2
=
10
5 - 3
=
11
3 - 2
=
12
8 - 1
=
13
2 - 1
=
14
7 - 5
=
15
2 - 1
=
16
6 - 1
=
17
8 - 5
=
18
4 - 1
=
19
5 - 1
=
20
4 - 2
=