fact-family/mul-div-6-9/medium · 套题 77
5 problems
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1
Write the fact family for 3, 10, 30:
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2
Write the fact family for 9, 1, 10:
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3
Write the fact family for 9, 7, 63:
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4
Write the fact family for 4, 8, 32:
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5
Write the fact family for 3, 5, 15:
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