fact-family/add-sub-within-10-write-all · 세트 69

6 problems
1
Write the fact family for 25, 2, 27: =
2
Write the fact family for 5, 12, 17: =
3
Write the fact family for 4, 19, 23: =
4
Write the fact family for 6, 4, 10: =
5
Write the fact family for 28, 18, 46: =
6
Write the fact family for 40, 9, 49: =
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