fact-family/mul-div-within-20-fill-blanks · 套题 34
6 problems
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1
Write the fact family for 8, 8, 16:
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2
Write the fact family for 5, 14, 19:
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3
Write the fact family for 2, 3, 5:
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4
Write the fact family for 12, 7, 19:
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5
Write the fact family for 16, 2, 18:
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6
Write the fact family for 6, 14, 20:
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