fact-family/mul-div-within-20-fill-blanks · セット 75
6 problems
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1
Write the fact family for 1, 10, 11:
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2
Write the fact family for 5, 3, 8:
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3
Write the fact family for 4, 5, 9:
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4
Write the fact family for 11, 4, 15:
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5
Write the fact family for 9, 3, 12:
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6
Write the fact family for 8, 1, 9:
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