2 3 7 46 ( ) A. 2112B. 2100C. 64D. 58
2 3 7 46 ( )
A. 2112
B. 2100
C. 64
D. 58
B. 2100
C. 64
D. 58
参考解析
解析:22-1=3,32-2=7,72-3=46,462-4=2112。故答案为A。
相关考题:
●Let R and S be the relation respection respectively:Relation R:A B C Relation S:B C D1 2 3 2 3 46 7 8 2 3 59 7 8 7 8 1The number of tuples that the result of the expression R∞S(Here if natural join of relations R and S) is (69) .(69) A.1B.4C.7D.10
单选题3,2,4,1,9,7,6,8,( )。A14B28C46D62