问题
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5,6,19,17,(),-55 A. 15;B. 344;C. 343;D. 11;
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5,6,19,17,(),-55 A.15;B.344;C.343;D.11;
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4,6,5,7,7,9,11,13,19,21,() A. 27,29 B. 32,33 C. 35,37 D.41,43
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4,6,5,7,7,9,11,13,19,21,(),() A.27,29 B.32,33 C.35,37 D.41,43
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简便计算 6.33×101-6.331.6×55.4-55.4×0.6.
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1/3,2/5,4/9,(),16/23,32/33A.6/13B.8/15C.10/17D.12/19