fact-family/add-sub-within-20/hard · 세트 78

6 problems
1
Write the fact family for 14, 3, 17: =
2
Write the fact family for 7, 8, 56: =
3
Write the fact family for 11, 6, 17: =
4
Write the fact family for 7, 9, 16: =
5
Write the fact family for 1, 4, 5: =
6
Write the fact family for 10, 11, 110: =
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