Enrhifo
\frac{\sqrt{95}}{2}\approx 4.873397172
Rhannu
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\sqrt{\frac{900\times 190}{7200}}
Lluosi 2 a 450 i gael 900.
\sqrt{\frac{171000}{7200}}
Lluosi 900 a 190 i gael 171000.
\sqrt{\frac{95}{4}}
Lleihau'r ffracsiwn \frac{171000}{7200} i'r graddau lleiaf posib drwy dynnu a chanslo allan 1800.
\frac{\sqrt{95}}{\sqrt{4}}
Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{95}{4}} fel rhaniad ail israddau \frac{\sqrt{95}}{\sqrt{4}}.
\frac{\sqrt{95}}{2}
Cyfrifo ail isradd 4 a chael 2.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
Rhifyddeg
699 * 533
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}