👤

[(13+12• m )•10-330]:100=13

Răspuns :

(13+12•m)•10-330 = 13•100
(13+12•m)•10=1300-330
13+12•m = 970:10
12•m= 97-13
m= 84:12
m = 7

(13+12m)10-330=1300
(13+12m_10=1300-330
13+12m=970 /10
12m=97-13
m=84/12
m=7