1,4,ll,30,85,( ) A. 248B. 250C. 256D. 260
1,4,ll,30,85,( )
A. 248
B. 250
C. 256
D. 260
B. 250
C. 256
D. 260
参考解析
解析:多次方数列变式。各项依次为30+0,31+1,32+2,33+3,34+4,(35+5)。故答案为A。
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