Question

[ (a+7):6-10]:4+5=25
Cât fac???

Answer 1

(a+7):6-10=(25-5)•4 (a+7):6=90 (a+7)=90•6 a=540-7 a=533

Answer 2

[(a+7):6-10]:4+5=25
[(a+7):6-10]:4=25-5
(a+7):6-10=20•4
(a+7):6=70
a+6=70•6
a=420-6
a=414
Acel punct(•)inseamna ori(x)