fact-family/mul-div-within-20-fill-blanks · 套题 76
6 problems
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1
Write the fact family for 9, 8, 17:
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2
Write the fact family for 10, 8, 18:
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3
Write the fact family for 13, 5, 18:
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4
Write the fact family for 13, 2, 15:
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5
Write the fact family for 4, 1, 5:
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6
Write the fact family for 3, 13, 16:
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