fact-family/add-sub-within-10-write-all · 套题 87
6 problems
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1
Write the fact family for 28, 9, 37:
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2
Write the fact family for 48, 2, 50:
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3
Write the fact family for 29, 1, 30:
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4
Write the fact family for 2, 6, 8:
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5
Write the fact family for 8, 1, 9:
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6
Write the fact family for 19, 30, 49:
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