You want to open a dinosaur zoo, and we know where to get a variety of specimens of prehistoric animals in the game Dinosaur Math. Select to start the rank of numbers. It means the number of zeros after one. If you select ten, then you have to operate with numbers no more than ten. A number will appear below - this is the answer of one of the examples that you will see on the screen, they loom above the heads of dinosaurs. By clicking on the correct example, you will capture an animal using a loop. If the answer is wrong, the dinosaur will elude you.