Ajutor va rogg!Am nevooie la mate !

Ajutor Va RoggAm Nevooie La Mate class=

Răspuns :

(25×a+250):(35:7)-25=75
(25×a+250):5-25=75
(25×a+250):5=100
25×a+250=500
25×a=250
a=10
Bafta!!!

(25xa+250):(35:7)-25=75
(25xa+250):5=75+25=100
25xa+250=100x5=500
25xa=500-250=250
a=250:25
a=10