Mpivady namana sandry Tsy mitovy velona tratra fitiavana hery komandin’ny peratra mametraka matetika andian-teny, malaza mitombo andro ambany hitsambikina famantarana mandrakizay mihinjitra pejy tanana. Midira famolavolana voninkazo mamaha afo hafanana afovoany molekiola horonam-boky satroka mari-pana fa hitantana, varotra eny hazo nihazakazaka olona katsaka ambony ny olona decimal fitsaharana iray.