fact-family/mul-div-6-9/hard · 套题 56
5 problems
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1
Write the fact family for 2, 2, 4:
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2
Write the fact family for 6, 4, 10:
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3
Write the fact family for 10, 10, 100:
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4
Write the fact family for 5, 4, 9:
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5
Write the fact family for 9, 6, 54:
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