fact-family/add-sub-within-100/easy · 套题 43
6 problems
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1
Write the fact family for 72, 9, 81:
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2
Write the fact family for 2, 56, 58:
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3
Write the fact family for 30, 32, 62:
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4
Write the fact family for 91, 5, 96:
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5
Write the fact family for 4, 89, 93:
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6
Write the fact family for 72, 6, 78:
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