fact-family/add-sub-within-100/hard · セット 39
6 problems
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日付：
1
Write the fact family for 77, 6, 83:
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2
Write the fact family for 3, 10, 30:
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3
Write the fact family for 5, 7, 35:
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4
Write the fact family for 6, 12, 72:
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5
Write the fact family for 33, 46, 79:
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6
Write the fact family for 97, 1, 98:
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