fact-family/add-sub-within-20-write-all · Sæt 18
6 problems
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1
Write the fact family for 13, 2, 15:
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2
Write the fact family for 16, 1, 17:
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3
Write the fact family for 9, 5, 14:
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4
Write the fact family for 16, 2, 18:
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5
Write the fact family for 7, 12, 19:
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6
Write the fact family for 10, 4, 14:
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