fact-family/add-sub-within-10-fill-blanks · 套题 69
6 problems
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1
Write the fact family for 10, 40, 50:
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2
Write the fact family for 30, 19, 49:
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3
Write the fact family for 10, 9, 19:
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4
Write the fact family for 27, 9, 36:
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5
Write the fact family for 19, 18, 37:
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6
Write the fact family for 20, 14, 34:
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