 <translate> Idan akwai kifi 80 gaba daya, to akwai kifi 80 / 2 = kifi 40 na shudi. Yawan kifin orange ya kasa na blue da 15 saboda haka kifi 40 - kifi 15 = kifi 25. Olaf yana da kifi 80 - kifi 25 - kifi 40 = kifi kore 15. Saboda haka, amsar ita ce 15. <ibo> Ọ bụrụ na e nwere azụ iri asatọ n'ozuzu, mgbe ahụ e nwere azụ iri asatọ / 2 = azụ iri anọ na-acha anụnụ anụnụ. Azụ oroma na-erughị 15 karịa nke na-acha anụnụ anụnụ, yabụ ọ bụ azụ 40 - azụ 15 = azụ 25. Olaf nwere azụ iri asatọ - azụ iri abụọ na ise - azụ iri anọ = azụ iri na ise. N'ihi ya, azịza ya bụ 15. 