 <translate> Reggie yana wasan kwallo da abokinsa. Abokinsa ya zo da kwalba ɗari. Kowace wasa, suna yin fare goma marbles kuma duk wanda ya ci nasara ya samu ya ci gaba da dukan marbles. Bayan wasanni 9, Reggie yana da kwallo 90. Wasanni nawa ya yi rashin nasara? Ka yi tunani sosai da farko, sannan ka yanke shawara: <ibo> Reggie na enyi ya na-agba bọl. Enyi ya ji otu narị marble bịa. N'egwuregwu ọ bụla, ha na-etinye nkume iri ma onye ọbụla meriri na-ejide nkume ndị ahụ niile. Mgbe egwuregwu 9 gasịrị, Reggie nwere 90 marbles. Egwuregwu ole ka ọ tụfuru? Buru ụzọ chee echiche nke ọma, kpebizie ihe ị ga-eme: 