number in Welsh
rhif
number
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Welsh · EnglishDydw i ddim yn gwybod ei rhif ffôn hi.
I don't know her telephone number.A2
Mae yna ddau sero yn y rhif "2010".
There are two zeros in the number "2010."B1
Mae'n bosib gweld trefn yr elfennau yn y Tabl Cyfnodol sy'n dangos y nifer o brotonau sydd gan bob un a beth yw pwysau atomau'r elfen honno gan ddefnyddio Rhif Avogadro.
It is possible to see the order of the elements in the Periodic Table, which shows the number of protons in each of them, with which you can calculate the number of atoms in the element using Avogadro's number.C1
Ydy rhif ffôn yr ysgol yn y ddesg?
Is the school's phone number in the desk?A2
Mae rhif ffôn Tom yn y ddesg.
Tom's phone number is in the desk.A2
Forms & mutations Treigladau / Claochluithe
You may also meet these forms of rhif in a sentence.
- Base form
- rhif
- Treiglad Meddal
- rif
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