Enrhifo
\frac{3669}{10}=366.9
Ffactor
\frac{3 \cdot 1223}{2 \cdot 5} = 366\frac{9}{10} = 366.9
Rhannu
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376-\frac{90+1}{10}
Lluosi 9 a 10 i gael 90.
376-\frac{91}{10}
Adio 90 a 1 i gael 91.
\frac{3760}{10}-\frac{91}{10}
Troswch y rhif degol 376 i’r ffracsiwn \frac{3760}{10}.
\frac{3760-91}{10}
Gan fod gan \frac{3760}{10} a \frac{91}{10} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
\frac{3669}{10}
Tynnu 91 o 3760 i gael 3669.
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