fact-family/add-sub-within-10-write-all · 套题 76
6 problems
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1
Write the fact family for 6, 2, 8:
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2
Write the fact family for 1, 45, 46:
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3
Write the fact family for 39, 9, 48:
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4
Write the fact family for 16, 6, 22:
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5
Write the fact family for 26, 4, 30:
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6
Write the fact family for 21, 24, 45:
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