The length of the rectangle is 50. The width is 2 decimeters and the area is (1000) square centimeters.

Four squares with two sides can be spliced into (2) kinds of rectangles (including squares), and the area of the spliced pattern is (8) square centimeters.

application problem

The fruit shop delivered 1280 kg of oranges. After eight days of selling, there was 5 12 kg left. How many Jin of oranges do you sell on average every day?

(1280-5 12)/8=96 (kg)