fact-family/add-sub-within-10/medium · 套题 90
6 problems
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1
Write the fact family for 6, 1, 7:
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2
Write the fact family for 7, 10, 70:
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3
Write the fact family for 7, 6, 42:
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4
Write the fact family for 10, 4, 40:
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5
Write the fact family for 1, 4, 5:
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6
Write the fact family for 6, 7, 42:
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