👤
a fost răspuns

450x21+550x21-2100 dati in doua moduri repede va rog

Răspuns :

1)450×21+550×21-2100 =9450+11550-2100=18900
2) 21(450+550)-2100=21×1000-2100=21000-2100=18900
Maraalessia200
21(450+550)-2100
21x1000-2100=21000-2100=18900

9450+11550-2100=18900

Alte intrebari