fact-family/add-sub-within-100/hard · セット 23
6 problems
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日付：
1
Write the fact family for 60, 28, 88:
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2
Write the fact family for 14, 12, 26:
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3
Write the fact family for 47, 6, 53:
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4
Write the fact family for 71, 20, 91:
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5
Write the fact family for 6, 2, 12:
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6
Write the fact family for 4, 11, 44:
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