Question

rasp plss
25 supra 9 : 2,(7)=?
6,38: 0,19=?
3,(63): 1,(27)=?
4 supra 75: 0,3(7) =?
0,(571419) : 1 supra 12=?

Answer 1

2,(7)=(27-2)/9=25/9 => 25/9:25/9=1;;638/100×100/19=638/19=33,57;;;3,(63)=(363-3)/99=360/99=40/11. 1,(27)=(127-1)/99=126/99=14/11 => 40/11×11/14=40/11=3,(63);;;0,3(7)=(37-3)/90=34 /90=17/45, 4/75×45/17=180/1275=0,141;;;;571419/999999×12=63491/111111×12=6,85