subtraction/with-borrowing/hard · 套题 55
20 problems
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班级:
日期:
1
7 - 4
=
2
3 - 2
=
3
7 - 1
=
4
9 - 8
=
5
2 - 1
=
6
7 - 1
=
7
5 - 4
=
8
3 - 2
=
9
9 - 3
=
10
3 - 2
=
11
9 - 3
=
12
6 - 5
=
13
3 - 2
=
14
2 - 1
=
15
4 - 3
=
16
8 - 1
=
17
7 - 3
=
18
4 - 1
=
19
3 - 2
=
20
5 - 1
=