fact-family/add-sub-within-100/hard · 套题 74
6 problems
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1
Write the fact family for 7, 12, 84:
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2
Write the fact family for 14, 70, 84:
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3
Write the fact family for 65, 17, 82:
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4
Write the fact family for 7, 11, 77:
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5
Write the fact family for 5, 10, 50:
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6
Write the fact family for 8, 4, 32:
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