👤
a fost răspuns

Calculati
7:(2,5-2supra5)+11supra30:1 2supra3+(-1)totul la 2005

Răspuns :

Renatemambouko
7:(2,5-2/5)+11/30:1 2/3+(-1)²⁰⁰⁵=
=7:(5/2-2/5)+11/30:5/3-1=
=7:(25-4)/10+11/50-1=
=7:21/10+11/50-1=
=7x10/21+11/50-1=
=10/3+11/50-1=
=(500+33-150)/150=
=383/150=
=2,55(3)

Alte intrebari