1 1/15*1 1/16*…*1 1/25 (вместо ... 1 1/17,1 1/18 и т.д.)

1) $\frac{11}{15} * \frac{11}{16} * \frac{11}{17} * \frac{11}{25} = \frac{11^4}{102000} = \frac{14641}{102000}$
2) $\frac{14641}{15*16*18*25} = \frac{14641}{108000}$
3) $\frac{14641}{15*16*19*25} = \frac{14641}{114000}$
4) $\frac{14641}{15*16*20*25} = \frac{14641}{120000}$
5) $\frac{14641}{15*16*21*25} = \frac{14641}{126000}$
6) $\frac{14641}{15*16*22*25} = \frac{14641}{132000}$
7) $\frac{14641}{15*16*23*25} = \frac{14641}{138000}$
8) $\frac{14641}{15*16*24*25} = \frac{14641}{144000}$
9) $\frac{14641}{15*16*25*25} = \frac{14641}{150000}$