fact-family/add-sub-within-100/hard · 세트 36

6 problems
1
Write the fact family for 4, 12, 48: =
2
Write the fact family for 4, 7, 28: =
3
Write the fact family for 9, 11, 99: =
4
Write the fact family for 98, 2, 100: =
5
Write the fact family for 24, 21, 45: =
6
Write the fact family for 23, 77, 100: =
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