fact-family/add-sub-within-10-fill-blanks · セット 63
6 problems
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1
Write the fact family for 37, 8, 45:
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2
Write the fact family for 33, 12, 45:
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3
Write the fact family for 28, 4, 32:
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4
Write the fact family for 15, 16, 31:
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5
Write the fact family for 10, 11, 21:
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6
Write the fact family for 20, 10, 30:
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