fact-family/add-sub-within-20/expert · セット 98
6 problems
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日付：
1
Write the fact family for 10, 8, 80:
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2
Write the fact family for 8, 4, 32:
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3
Write the fact family for 7, 6, 42:
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4
Write the fact family for 5, 10, 15:
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5
Write the fact family for 8, 6, 48:
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6
Write the fact family for 5, 7, 35:
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