Kubara neza kuzunguruka bizafasha kubika umwanya.
Nyuma ya byose, ubungubu, mukwandika umugozi wiburyo, urashobora guhita uhuza ingano yifuzwa, kandi ntukagire karuke nyuma. Icyo ukeneye gukora: ubanza uhambiriye icyitegererezo gito (10 × 10, birashoboka kandi bike) kubara imirongo irenze muri cm 1, cm 5.
Kubara ingano yumubiri dukeneye, kurugero rwa cm 55. Twabonye indangagaciro ebyiri: Gusiba 35 CM = 55 kuzenguruka cm 55 (55x9: 5)
Kugirango kubara byagaragaye neza, kurambura icyitegererezo, no muriyi myanya, bibaze umubare wimirongo azaba 1 CM na CM 5. Iyo ubyutse, ntabwo ari ngombwa kurambura a ikintu. Kurambura nkuko bizarambura ibicuruzwa byarangiye mugihe wambaye umuntu.
Noneho, ukurikije indangagaciro nshya zabonetse, ongera ukoreshe umubare, tubarira umubare munini ukeneye guhatanira, kubugari bwa cm 55. Twongeye kubona indangagaciro 5 55 (53 .5) cm 5 = 7 kuzenguruka cm 55 cm = 77 lop (55x7: 5)
Komeza utekereze agaciro k'umubare hagati yagaciro 4 zabonetse. (110 + 93 + 77): 4 = 92 p.
Ongeramo ibintu 2 byinshi niba kuboha ntabwo bizenguruka. Ibyo aribyo byose! Noneho uzi kubara neza imirongo iyo ubobora inshinge ziboboha. Ahari ubu buryo bwasaga nkuwitonda cyane - kubara cyane.
Ariko unyizere, uzamara iminota 10 kuri yo, ariko rero ntugomba kunga. Uburyo bwatsindishirije ijana ku ijana!