fact-family/add-sub-within-100/expert · 套题 39
6 problems
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1
Write the fact family for 9, 7, 63:
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2
Write the fact family for 6, 8, 48:
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3
Write the fact family for 6, 4, 24:
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4
Write the fact family for 94, 2, 96:
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5
Write the fact family for 26, 11, 37:
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6
Write the fact family for 12, 75, 87:
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