Răspuns:
6/5
Explicație pas cu pas:
[2,6 - 2,(6)·3/4]:[3,1(3) : 9 2/5 + 1/6] =
= [26/10 - (26-2)/9·3/4]:[(313-31)/90 : (9·5+2)/5 + 1/6]
= (26/10 - 24/9·3/4) : (282/90×5/47 + 1/6)
= (26/10 - 20/10) : (²1/3 + 1/6)
= 6/10 : (2/6 + 1/6)
= 6/10 × 6/3
= 36/30
= 6/5
