subtraction/without-borrowing/expert · 세트 21
20 problems
이름:
학급:
날짜:
1
2 - 1
=
2
2 - 1
=
3
2 - 1
=
4
6 - 1
=
5
2 - 1
=
6
3 - 2
=
7
8 - 4
=
8
3 - 2
=
9
6 - 3
=
10
8 - 4
=
11
3 - 2
=
12
5 - 2
=
13
9 - 5
=
14
6 - 1
=
15
3 - 2
=
16
8 - 4
=
17
6 - 1
=
18
7 - 5
=
19
3 - 2
=
20
4 - 2
=