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erbyn hyn , mae s4c yn gyfrifol am tua 80 awr o raglenni , ac mae gwerth 10 awr y bbc wedi gostwng yn sylweddol
s4c is now responsible for about 80 hours of programming per week , and the value of the bbc's 10 hours has decreased significantly
mae chwe mis wedi mynd heibio , degau o filoedd o bunnau ac nid oes unrhyw arwydd y caf yr arian hwnnw am tua chwe mis arall
six months have gone by , tens of thousands of pounds , and there is no prospect of getting that money back for another six months or so
mae arbenigwyr wedi cyfrifo mai deiet sy'n gyfrifol am tua un o bob tri achos o glefyd y galon , a thua chwarter o bob achos o ganser
experts have calculated that diet is responsible for about a third of all heart disease , and about a quarter of all cancers
am tua 15 mlynedd , o ganol yr 1980au ymlaen , bu rhagdybiaeth o blaid cau ysgolion bach yn hytrach na chwilio am atebion blaengar a chreadigol er mwyn manteisio ar eu potensial
for some 15 years , from the mid 1980s onwards , there has been a presumption in favour of closing small schools rather than searching for innovative and creative solutions in order to take advantage of their potential
eleni , a ninnau'n tybio nad oeddem wedi gwneud hynny , cytunwyd ar gais gan sue essex am tua £6 miliwn yn ychwanegol
this year , when we thought we had not done that , sue essex's request for an additional £6 million or so was agreed
gallai fod tuag at ddiwedd mis gorffennaf , ond nid yw'n anarferol i bwyllgorau dethol yn nhy'r cyffredin gael eu gohirio am tua chwe mis cyn y caiff aelodau eu penodi
it could be by the end of july , but it is not unknown for select committees in the house of commons to be delayed by around six months before members are appointed