fact-family/add-sub-within-10-find-family · セット 43
6 problems
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日付：
1
Write the fact family for 27, 23, 50:
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2
Write the fact family for 40, 9, 49:
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3
Write the fact family for 27, 4, 31:
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4
Write the fact family for 31, 15, 46:
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5
Write the fact family for 4, 11, 15:
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6
Write the fact family for 29, 13, 42:
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