fact-family/add-sub-within-100/hard · セット 16
6 problems
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1
Write the fact family for 90, 7, 97:
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2
Write the fact family for 42, 52, 94:
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3
Write the fact family for 6, 5, 30:
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4
Write the fact family for 5, 6, 30:
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5
Write the fact family for 7, 11, 77:
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6
Write the fact family for 9, 10, 90:
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