fact-family/add-sub-within-10-find-family · 套题 21
6 problems
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1
Write the fact family for 15, 2, 17:
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2
Write the fact family for 25, 9, 34:
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3
Write the fact family for 24, 21, 45:
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4
Write the fact family for 13, 5, 18:
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5
Write the fact family for 45, 3, 48:
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6
Write the fact family for 33, 12, 45:
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