Pupils of schools get an idea of fractions at the initial stage of training. Do not forget about fractions and in high school, but it is allowed to find them on the calculator, and therefore the principle of emergence of fraction is forgotten. In practice it is simpler to solve problems by means of the main property of fractions, than at random to gather buttons on the calculator

Pickled onion – magnificent snack for meat. Its bitterish taste shades any meat dish, whether it be a fragrant shish kebab, the striped steak made on naked flame or meat grill from a house oven. Onions are good not only fresh, but also marinated according to various recipes. Spend several minutes for tasty marinade, and your table will decorate a crunchy fresh onions garnish to a shish kebab.

Perhaps, some of you don't know that sugar and juicy watermelons can be salted for the winter, receiving thereby great snack. Adopt to yourself recipes of preparation of watermelons and please the guests with an unusual dish.

Form of polyhedrons, including, and pyramids, have many real objects, for example, the well-known pyramids of Egypt. This geometrical figure has several parameters, height is basic of which.