问题
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40, 3, 35, 6, 30, 9, (), 12, 20, ()A. 15,225 B. 18,25 C. 25,15 D. 25,18
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28,44,36,40,38,()。A. 42 B. 41 C. 39 D. 34
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5,24,6,20,4,(),40,3A.28 B.30 C.36 D.42
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28,44,36,40,38,()。 A. 42 B. 41 C. 39 D. 34
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5,24,6,20,4,(),40,3 A.28 B.30 C.36 D.42
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2,6,12,20,30,()。A. 34B. 38C. 40D. 42