fact-family/mul-div-10-12/expert · 套题 25
6 problems
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1
Write the fact family for 8, 7, 56:
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2
Write the fact family for 2, 10, 20:
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3
Write the fact family for 8, 2, 10:
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4
Write the fact family for 7, 5, 35:
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5
Write the fact family for 4, 3, 7:
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6
Write the fact family for 10, 7, 70:
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