fact-family/add-sub-within-10-write-all · 套题 99
6 problems
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1
Write the fact family for 29, 8, 37:
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2
Write the fact family for 27, 13, 40:
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3
Write the fact family for 46, 4, 50:
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4
Write the fact family for 46, 1, 47:
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5
Write the fact family for 12, 33, 45:
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6
Write the fact family for 1, 29, 30:
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