grade-3/subtraction/estimation · 세트 29

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