Respuesta:
[tex]\color{blue}{\boxed{\boxed{¡Hola!}}}[/tex]
[tex]\blue{\underbrace\color{Green}{Res}\color{blue}{pu}\color{red}{es}\color{gray}{ta}}[/tex]
1/2 kilogramos = 500 gramos
3/4 kilogramos = 750 gramos
1/2 kilogramos + 3/4 kilogramos = 1 ¼ kilogramos
1 ¼ kilogramos = 1 kilogramo y 250 gramos
[tex]\color{blue}{\boxed{\boxed{\boxed{ATT: ★Alex★}}}}[/tex]