fact-family/add-sub-within-10-write-all · 套题 50
6 problems
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1
Write the fact family for 41, 9, 50:
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2
Write the fact family for 17, 22, 39:
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3
Write the fact family for 46, 2, 48:
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4
Write the fact family for 21, 5, 26:
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5
Write the fact family for 47, 3, 50:
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6
Write the fact family for 34, 10, 44:
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