fact-family/mul-div-within-20-write-all · セット 11
6 problems
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クラス:
日付：
1
Write the fact family for 3, 9, 12:
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2
Write the fact family for 9, 2, 11:
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3
Write the fact family for 8, 1, 9:
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4
Write the fact family for 15, 1, 16:
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5
Write the fact family for 3, 14, 17:
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6
Write the fact family for 18, 2, 20:
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