grade-3/subtraction/estimation · 세트 63

20 problems
1
8 - 7 =
2
4 - 2 =
3
9 - 3 =
4
8 - 4 =
5
4 - 2 =
6
6 - 3 =
7
5 - 2 =
8
6 - 3 =
9
5 - 3 =
10
2 - 1 =
11
6 - 2 =
12
8 - 6 =
13
5 - 3 =
14
2 - 1 =
15
3 - 2 =
16
9 - 3 =
17
5 - 1 =
18
9 - 1 =
19
4 - 3 =
20
3 - 1 =
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