Enrhifo
\frac{\sqrt{67577978143}}{260000}\approx 0.999837103
Rhannu
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\sqrt{1-\frac{1446}{1040000}\times 0.2343}
Ehangu \frac{0.1446}{104} drwy luosi'r rhifiadur a'r enwadur gyda 10000.
\sqrt{1-\frac{723}{520000}\times 0.2343}
Lleihau'r ffracsiwn \frac{1446}{1040000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.
\sqrt{1-\frac{723}{520000}\times \frac{2343}{10000}}
Troswch y rhif degol 0.2343 i’r ffracsiwn \frac{2343}{10000}.
\sqrt{1-\frac{723\times 2343}{520000\times 10000}}
Lluoswch \frac{723}{520000} â \frac{2343}{10000} drwy luosi'r rhifiadur â’r rhifiadur a'r enwadur â’r enwadur.
\sqrt{1-\frac{1693989}{5200000000}}
Gwnewch y gwaith lluosi yn y ffracsiwn \frac{723\times 2343}{520000\times 10000}.
\sqrt{\frac{5200000000}{5200000000}-\frac{1693989}{5200000000}}
Troswch y rhif degol 1 i’r ffracsiwn \frac{5200000000}{5200000000}.
\sqrt{\frac{5200000000-1693989}{5200000000}}
Gan fod gan \frac{5200000000}{5200000000} a \frac{1693989}{5200000000} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
\sqrt{\frac{5198306011}{5200000000}}
Tynnu 1693989 o 5200000000 i gael 5198306011.
\frac{\sqrt{5198306011}}{\sqrt{5200000000}}
Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{5198306011}{5200000000}} fel rhaniad ail israddau \frac{\sqrt{5198306011}}{\sqrt{5200000000}}.
\frac{\sqrt{5198306011}}{20000\sqrt{13}}
Ffactora 5200000000=20000^{2}\times 13. Ailysgrifennu ail isradd y lluoswm \sqrt{20000^{2}\times 13} fel lluoswm ail israddau \sqrt{20000^{2}}\sqrt{13}. Cymryd isradd 20000^{2}.
\frac{\sqrt{5198306011}\sqrt{13}}{20000\left(\sqrt{13}\right)^{2}}
Mae'n rhesymoli enwadur \frac{\sqrt{5198306011}}{20000\sqrt{13}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{13}.
\frac{\sqrt{5198306011}\sqrt{13}}{20000\times 13}
Sgwâr \sqrt{13} yw 13.
\frac{\sqrt{67577978143}}{20000\times 13}
I luosi \sqrt{5198306011} a \sqrt{13}, dylid lluosi'r rhifau dan yr ail isradd.
\frac{\sqrt{67577978143}}{260000}
Lluosi 20000 a 13 i gael 260000.
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