fact-family/add-sub-within-20/medium · セット 56
6 problems
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クラス:
日付：
1
Write the fact family for 8, 10, 80:
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2
Write the fact family for 10, 9, 19:
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3
Write the fact family for 9, 7, 16:
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4
Write the fact family for 12, 2, 24:
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5
Write the fact family for 14, 3, 17:
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6
Write the fact family for 8, 4, 32:
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