 <translate> Nkezi nke nọmba 20 = 0 Nchịkọta nke nọmba 20 = (0 * 20) = 0 Ọ ga-ekwe omume na 19 n'ime ọnụọgụ ndị a nwere ike ịdị mma ma ọ bụrụ na nchikota ha bụ a, mgbe ahụ ọnụọgụ nke iri abụọ bụ (-a). Azịza ya bụ: (D). <hau> Matsakaicin lambobi 20 = 0 Jimlar lambobi 20 = (0 * 20) = 0 Yana yiwuwa cewa 19 daga cikin waɗannan lambobi na iya zama tabbatacce kuma idan jimlar su a, to lambar 20 ita ce (-a). Amsar ƙarshe: (D). 