问题
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1,1,5,3,9,9,13,27,(),() A.17,81 B.
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1/3, 1, 1, 13/17, 17/33,() A.21/34 B.21/65 C.17/53 D.1
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列竖式计算下面各题。(1)295×14=(2)932×21=(3)206×13=(4)602×33=(5)560×40=(6)908×17=
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计算.能简算的要简算,并写出简算过程.(1)(0.12+0.22+0.32+0.42)2÷(0.13+0.23+0.33+0.43)(2)3.97÷7+17×4.03-
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1/3,2/5,4/9,(),16/23,32/33A.6/13B.8/15C.10/17D.12/19
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设有字符序列(17,8,3,25,16,1,13,19,18,4,6,24),问新序列(6,8,3,4,16,1,13,17,18,19,25,14)是下