fact-family/add-sub-within-100/easy · 套题 14
6 problems
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1
Write the fact family for 70, 23, 93:
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2
Write the fact family for 77, 3, 80:
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3
Write the fact family for 73, 19, 92:
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4
Write the fact family for 49, 44, 93:
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5
Write the fact family for 86, 4, 90:
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6
Write the fact family for 68, 30, 98:
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