fact-family/mul-div-within-20-fill-blanks · 套题 78
6 problems
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1
Write the fact family for 11, 4, 15:
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2
Write the fact family for 18, 1, 19:
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3
Write the fact family for 2, 10, 12:
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4
Write the fact family for 12, 1, 13:
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5
Write the fact family for 5, 3, 8:
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6
Write the fact family for 8, 6, 14:
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