fact-family/add-sub-within-10/medium · 세트 53

6 problems
1
Write the fact family for 5, 5, 10: =
2
Write the fact family for 4, 5, 9: =
3
Write the fact family for 6, 6, 36: =
4
Write the fact family for 6, 1, 7: =
5
Write the fact family for 8, 2, 10: =
6
Write the fact family for 5, 4, 20: =
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