fact-family/mul-div-2-5/easy · 套题 19
5 problems
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1
Write the fact family for 9, 1, 10:
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2
Write the fact family for 4, 3, 7:
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3
Write the fact family for 7, 1, 8:
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4
Write the fact family for 1, 2, 3:
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5
Write the fact family for 1, 1, 2:
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