fact-family/mul-div-6-9/expert · 套题 47
6 problems
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1
Write the fact family for 4, 5, 9:
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2
Write the fact family for 2, 5, 10:
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3
Write the fact family for 7, 10, 70:
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4
Write the fact family for 6, 3, 9:
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5
Write the fact family for 7, 2, 14:
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6
Write the fact family for 8, 1, 9:
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