Question

valoarea numarului x=53supra105-34supra105+41supra105

Answer 1

53/105-34/105+41/105=19/105+41/105=60/105
simplificam fractia cu 5
12/21
simplificam iar fractia cu 3
4/7

Answer 2

Răspuns

4/7 ;

Explicație pas cu pas:

x = (53/105)-(34/105)+(41/105) ; numitor comun 105 ;

105x = 53-34+41 = 60 ; x = 60/105 = 12/21 = 4/7 ;