Beth ydy \({1,356}\) i'r cant agosaf?
\[{1,360}\]
\[{1,300}\]
\[{1,400}\]
Beth ydy \({213.8}\) i'r rhif cyfan agosaf?
\[{213}\]
\[{214}\]
\[{215}\]
Amcangyfrifa gyfanswm cost pum pecyn o fferins sy'n costio \(\pounds{2.95}\) yr un, a dau ddiod sy'n \(\pounds{1.45}\) yr un.
\[\pounds{17.65}\]
\[\pounds{18}\]
\[\pounds{18.65}\]
Amcangyfrifa beth ydy \(\pounds{208}\) wedi ei rannu rhwng tri pherson.
\[\pounds{66.67}\]
\[\pounds{69.33}\]
\[\pounds{70}\]
Talgrynna \({23.517}\) i un lle degol.
\[{23.5}\]
\[{23.6}\]
\[{23.0}\]
Talgrynna \({476.357}\) i ddau le degol.
\[{476.4}\]
\[{476.35}\]
\[{476.36}\]
Pa rif sydd â thri ffigur ystyrlon?
\[{0.0103}\]
\[{0.21}\]
\[{5.20}\]
Talgrynna \({46.673}\) i ddau ffigur ystyrlon.
\[{46.67}\]
\[{46}\]
\[{47}\]
Talgrynna \({0.04518}\) i dri ffigur ystyrlon.
\[{45}\]
\[{0.0451}\]
\[{0.0452}\]
Mae rhif wedi ei sgwario'n gwneud \({30}\). Beth ydy'r rhif hwn yn gywir i un lle degol?
\[{5.4}\]
\[{5.45}\]
\[{5.5}\]