number-bonds/to-50/medium · セット 95

8 problems
1
Number bond: 3 1 + ? =
2
Complete the number bond: 4 __ + 1 =
3
4 __ + 1 =
4
6 __ + 2 =
5
Number bond: 5 + 2 =
6
Complete the number bond: 4 __ + 3 =
7
6 __ + 4 =
8
Complete the number bond: 7 __ + 4 =
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