Решите плиз. 2,(36) ; 5,1(6) ; 5/12=941(*) ;

Question

Решите плиз.
2,(36) ; 5,1(6) ; 5/12=941(*) ;

Answer 1

Х=2,(36)=2,363636
100х=236,363636
99х=236,363636-2,363636
99х=234
х=234/99
х= 2 36/99
х= 2 9/11

х=5,1(6)=5,1666
10х=51,666
100х=516,666
90х=516,666-51,666
90х=465
х=465/90
х=5 15/90
х=5 1/6

5/12=0,41(6)