fact-family/add-sub-within-100/medium · 套题 47
6 problems
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1
Write the fact family for 48, 21, 69:
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2
Write the fact family for 6, 4, 24:
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3
Write the fact family for 3, 9, 27:
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4
Write the fact family for 58, 41, 99:
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5
Write the fact family for 20, 77, 97:
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6
Write the fact family for 3, 12, 36:
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