Răspuns :
1,2(7)=115/90
7,(6)=69/9
1,5=3/2
(115/90):(69/9)=(115/90)·(9/69)=(115/10)·(1/69)=115/690
(115/690):(3/2)=(115/690)·(2/3)=230/2070=1/9
7,(6)=69/9
1,5=3/2
(115/90):(69/9)=(115/90)·(9/69)=(115/10)·(1/69)=115/690
(115/690):(3/2)=(115/690)·(2/3)=230/2070=1/9