fact-family/add-sub-within-100/hard · 套题 91
6 problems
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1
Write the fact family for 2, 12, 24:
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2
Write the fact family for 8, 3, 24:
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3
Write the fact family for 88, 9, 97:
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4
Write the fact family for 10, 6, 60:
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5
Write the fact family for 10, 10, 100:
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6
Write the fact family for 77, 13, 90:
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