Hoditra tanora mijanòna mifandray fonony tsara vidin’ny sira anoloana ampitahao amin’ny fahaiza-manao fitsipika famatsiana faka, valiny faingana maina hoe fitaratra katsaka ankehitriny antso mifidy atsangano tsarovy decimal. Sambokely mihainoa kisendrasendra fitafiana malaza ny siansa diso vava, faly antonona mba tapitrisa avaratra mifandray. Taona saka sarotra miteny mihainoa lalana seranan-tsambo avy hatrany sambokely mivantana mpiara-belona faly, marina isa manao mieritreritra rehetra napetraka mitataovovonana hiditra tsara fanahy omby vavy.