fact-family/add-sub-within-20-write-all · セット 42
6 problems
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クラス:
日付：
1
Write the fact family for 1, 16, 17:
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2
Write the fact family for 14, 1, 15:
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3
Write the fact family for 11, 2, 13:
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4
Write the fact family for 1, 8, 9:
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5
Write the fact family for 7, 11, 18:
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6
Write the fact family for 7, 9, 16:
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