one book, two books, four pencils, two pencils, three schoolbags, seven schoolbags, four books, six books, eight pens, five pens, nine rubbers, six rubbers, seven rulers, eight rulers, eight pens, ten pens, nine pens, one pen, ten rubbers, seven rubbers

How many +(school objects)?

Tauler de classificació

Estil visual

Opcions

Canvia de fonament

Restaurar desada automàtica: ?