Mudzi wesikweya nemudzi wa x

Bhatani remudzi wesikweya rinouya pamberi penhamba. Dzvanyai , nyorai 49, modzvanya . Pamudzi wechina wa 81, 4 inotanga: nyorai 4, dzvanyai , mozoti , chinyorwa cheorenji chiri pamusoro pa $\displaystyle y^{x}$, nyorai 81. Dzvanyai : $\displaystyle 7 - 3 =$ 4..

▶ Tarisai danho iri muvhidhiyo (25:41)