fact-family/add-sub-within-100/medium · 세트 19

6 problems
1
Write the fact family for 2, 11, 22: =
2
Write the fact family for 3, 7, 21: =
3
Write the fact family for 8, 85, 93: =
4
Write the fact family for 87, 10, 97: =
5
Write the fact family for 3, 9, 27: =
6
Write the fact family for 38, 56, 94: =
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