Nauczyciele i rodzice

Instructions:

Insert numbers into empty fields in pyramid. The subtraction of two neighbouring numbers in one row must be equal to number above those fields. Subtract only smaller number from bigger one.

Praca Próbka

- Odčítací pyramida

10
4
15
21

pracy Rozwiązanie

- Odčítací pyramida

0
5
5
6
11
6
10
4
15
21

RES Praca