Izindlela ezi-7 ezihamba phambili zokuhweba ezisungulwe kusuka ezilinganisweni ezihambayo.
Isu Lokuhamba Eliphakathi Nesibili. Isu lisuselwa ekusebenziseni izilinganiso ezimbili ezihambayo kushadi lakho. Usebenzisa isilinganiso esimaphakathi nesikhathi esifushane (isibonelo - 9 no-21) ....
