ocatave

car=imread('car.jpg');
lumba=imread('lumba.jpg');

figure(1)
tambah = car+lumba;
imshow(tambah);
title("Tambah");

figure(2)
rata = tambah/2;
imshow(rata);
title("Rata");

figure(3)
rata2= (lumba/2)+(car/2);
imshow(rata2);
title("Rata2")