fact-family/mul-div-within-20-fill-blanks · セット 89
6 problems
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1
Write the fact family for 8, 11, 19:
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2
Write the fact family for 15, 4, 19:
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3
Write the fact family for 2, 4, 6:
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4
Write the fact family for 17, 3, 20:
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5
Write the fact family for 1, 5, 6:
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6
Write the fact family for 1, 3, 4:
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