fact-family/mul-div-2-5/hard · 套题 34
5 problems
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1
Write the fact family for 1, 8, 9:
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2
Write the fact family for 9, 8, 72:
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3
Write the fact family for 4, 2, 6:
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4
Write the fact family for 2, 3, 6:
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5
Write the fact family for 2, 8, 10:
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