fact-family/add-sub-within-100/hard · 套题 52
6 problems
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1
Write the fact family for 12, 11, 132:
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2
Write the fact family for 6, 9, 54:
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3
Write the fact family for 3, 6, 18:
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4
Write the fact family for 6, 7, 42:
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5
Write the fact family for 8, 5, 40:
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6
Write the fact family for 63, 27, 90:
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