问题
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2,1,6/7,4/5,10/13,()A.4/3 B.3/4 C.7/15 D. 7/16
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4,2,2,3,6,() A.16 B.15 C.8 D.4
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1,3,2,4,2,7,4,11,(),()。A.6,19 B.8,18 C.10,20 D.16,22
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下面各题怎样简便就怎样算.(1)2.7×99+2.7 (2)34+16-38(3)3.93+1.64+6.07+8.36(4)(7.9-3.06÷0.51)×5(5)15
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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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有以下程序:main{ int num[4][4]={1 2 3 4} {5 6 7 8} {9 10 11 12 } {13 14 15 16}} i j;for(i=