单项选择题
If r and 8 are positive integers,each greater than 1,and if 11(s-1)=13(r-1),what is the least possible value of r+s()
A. 2
B. 11
C. 2
D. 24
E. 26
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单项选择题
A. 2
B. 11
C. 2
D. 24
E. 26
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