fact-family/add-sub-within-10/medium · 套题 64
6 problems
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1
Write the fact family for 6, 2, 12:
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2
Write the fact family for 8, 8, 64:
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3
Write the fact family for 4, 10, 40:
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4
Write the fact family for 9, 7, 63:
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5
Write the fact family for 7, 2, 14:
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6
Write the fact family for 2, 5, 7:
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