c,d,e,f sper sa intelegi ce am scrisSpor la treaba
Răspuns:
Explicație pas cu pas:
c) (5/6+7/8)18/41+1/4=(20+21)/24·18/41+1/4=18/24+1/4·=3/4+1/4=1
d) (3·5-2·3)/36·(15-6):9=9/9=1
e)·(11·2-3):90··18/19=19/90·18/19=18/90=1/5
f)(5x11-4x7)/60·10/9+1/2=(55-28)/6·9+1/2=27/54+1/2=1/2+1/2=1
