fact-family/add-sub-within-10-write-all · 套题 60
6 problems
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1
Write the fact family for 29, 5, 34:
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2
Write the fact family for 10, 20, 30:
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3
Write the fact family for 43, 7, 50:
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4
Write the fact family for 34, 1, 35:
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5
Write the fact family for 2, 23, 25:
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6
Write the fact family for 17, 14, 31:
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