Question

Rezultatul calculului:(13/14-11/18-5/36):15/16-(-4/15) este egal cu...
P.S.acest semn(/) inseamna fractie adica supra

Answer 1

Răspuns

16/35 ;

Explicație pas cu pas:

(13/14-11/18-5/36):(15/16)-(-4/15) =

[(13x18-11x14-7x5)/252]x(16/15)+(4/15) =

[(234-154-35)252]x(16/15)+(4/15) =

(45/252)x(16/15)+(4/15) =

(48/252)+(4/15) = (4/21)+(4/15)  = (5x4+7x4)/105 = 48/105  = 16/35 ;