fact-family/add-sub-within-10-fill-blanks · 套题 82
6 problems
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1
Write the fact family for 16, 20, 36:
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2
Write the fact family for 27, 22, 49:
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3
Write the fact family for 49, 1, 50:
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4
Write the fact family for 34, 4, 38:
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5
Write the fact family for 34, 13, 47:
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6
Write the fact family for 11, 10, 21:
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