fact-family/mul-div-within-20-fill-blanks · 套题 19
6 problems
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1
Write the fact family for 13, 3, 16:
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2
Write the fact family for 10, 5, 15:
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3
Write the fact family for 13, 1, 14:
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4
Write the fact family for 1, 19, 20:
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5
Write the fact family for 5, 10, 15:
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6
Write the fact family for 11, 4, 15:
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