Question

Va rog dau coroana,
IMI TREBUIE RASPUNS​

Answer 1

Răspuns:

3la 20(3 la 2+3 la 1+3 la 0/26=9 la 10/ x

3 la 20 (9+3+1)/26=9la 10/x

3 la 20 ×13/26=3la 20/x

3 la 20/13 =3 la 20/x

x×3 la 20= 13 × 3 la 20

x =13

3 la 2018 ( 3 la 2-3 la 1 - 3 la 0) /5= 3 la 2018/ x

3la 2018 × 5/5 3la 2018/ x

x×3 la 2018 × 5 = 3 la 2018 x5

x = 1