fact-family/add-sub-within-100/hard · セット 22
6 problems
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1
Write the fact family for 45, 47, 92:
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2
Write the fact family for 87, 1, 88:
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3
Write the fact family for 4, 11, 44:
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4
Write the fact family for 12, 36, 48:
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5
Write the fact family for 2, 4, 8:
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6
Write the fact family for 69, 3, 72:
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