For example, with a flick, the space plane is exhausted; The punchline is subtle, and the volume and area are solved.

A ruler has a straight heart; A few pieces of chalk have long been in sight. ?

Life trajectory, all in the curve radian; The imprint of years includes addition, subtraction, multiplication and division.

Make new year cards: cardboard (or hard paper is also acceptable), watercolor pens or crayons, scissors, and glue if necessary.

Practice: cut the cardboard in half, then draw 1 times the size of the greeting card you want to make, and then fold it in half, which is the size of the greeting card you want to make. Fold it into the shape of a card, then open the card, write your greeting or draw the picture you want, preferably in color.