fact-family/mul-div-6-9/hard · セット 92
6 problems
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日付：
1
Write the fact family for 2, 10, 20:
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2
Write the fact family for 6, 4, 10:
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3
Write the fact family for 3, 5, 8:
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4
Write the fact family for 8, 1, 9:
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5
Write the fact family for 8, 4, 32:
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6
Write the fact family for 10, 6, 60:
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