Pamusoro pearufabheti inodzidziswa muUnited States, itsamba ipi inouya pashure peB? Tichifunga nezvemubvunzo wapfuura, nyora mashoko akapoteredza mhinduro yacho. Inogona kuva mitsara 1 - 20. Mashoko akapoteredza:
Kunokwezva kufunga kuti pfungwa yezvinetso zvebasa yakapfuma zvikuru kupfuura pfungwa yezvinetso zvokusarudza. Zvisinei, ikoku hakusati kuri chaizvoizvo kwakadaro, sezvo zvinetso zvokushanda zvinogona kugadziridzwa sezvinetso zvokusarudza. Somuenzaniso, kuwanda kwenhamba mbiri dzakakwana kunogona kuratidzwa sechikwata chevatatu (a, b, c) zvokuti ukama a × b = c hunobata. Kusarudza kana katatu akapiwa ari mutezo weiri boka kunowirirana nokugadzirisa chinetso chokupeta nhamba mbiri.