fact-family/mul-div-2-5/medium · 套题 33
6 problems
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1
Write the fact family for 1, 7, 8:
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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, 15:
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4
Write the fact family for 7, 3, 10:
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5
Write the fact family for 3, 7, 21:
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6
Write the fact family for 9, 9, 81:
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