Αντιστρόφως ανάλογα ή αντίστροφα ποσά

http://daskalosa.eu/maths_st/st_maths_36_antistrofos_analoga_i_antistrofa_posa.html 

ΚΟΥΙΖ

https://wordwall.net/resource/11022522/%CF%80%CE%BF%CE%B9%CE%B1-%CF%80%CE%BF%CF%83%CE%AC-%CE%B5%CE%AF%CE%BD%CE%B1%CE%B9-%CE%B1%CE%BD%CF%84%CE%B9%CF%83%CF%84%CF%81%CF%8C%CF%86%CF%89%CF%82-%CE%B1%CE%BD%CE%AC%CE%BB%CE%BF%CE%B3%CE%B1-%CE%AE-%CE%B1%CE%BD%CE%AC%CE%BB%CE%BF%CE%B3%CE%B1