fact-family/mixed/expert · 套题 24
6 problems
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1
Write the fact family for 7, 1, 8:
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2
Write the fact family for 6, 9, 54:
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3
Write the fact family for 6, 7, 42:
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4
Write the fact family for 5, 2, 10:
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5
Write the fact family for 10, 5, 50:
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6
Write the fact family for 9, 4, 36:
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