fact-family/add-sub-within-100/hard · 套题 25
6 problems
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1
Write the fact family for 84, 14, 98:
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2
Write the fact family for 9, 6, 54:
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3
Write the fact family for 50, 22, 72:
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4
Write the fact family for 3, 5, 15:
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5
Write the fact family for 9, 8, 72:
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6
Write the fact family for 7, 8, 56:
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