fact-family/add-sub-within-20/expert · 세트 68

6 problems
1
Write the fact family for 11, 2, 22: =
2
Write the fact family for 16, 4, 20: =
3
Write the fact family for 19, 1, 20: =
4
Write the fact family for 12, 12, 144: =
5
Write the fact family for 10, 3, 30: =
6
Write the fact family for 10, 12, 120: =
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