fact-family/add-sub-within-100/easy · 套题 47
6 problems
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1
Write the fact family for 77, 4, 81:
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2
Write the fact family for 56, 29, 85:
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3
Write the fact family for 94, 4, 98:
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4
Write the fact family for 17, 26, 43:
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5
Write the fact family for 34, 14, 48:
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6
Write the fact family for 87, 8, 95:
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