Răspuns :
Răspuns:
ai rezolvarile in poza. succes
din graba am gresit primul ex, dar am corectat si acum e corect! revezi poza.
a) (15+1)/3·6/5 =16·6/15=16·2/5=32/5
b)(12+3)/2·3/10=15/2·3/10=3/2·3/2=9/4
c)(20-2)/5:12/15=18/5·15/12=3/1·3/2=9/2
d)(12+5)/6:17/4=17/6·4/17=1/3·2/1=2/3