21 \div 29 \%
Enrhifo
\frac{2100}{29}\approx 72.413793103
Ffactor
\frac{2 ^ {2} \cdot 3 \cdot 5 ^ {2} \cdot 7}{29} = 72\frac{12}{29} = 72.41379310344827
Rhannu
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21\times \frac{100}{29}
Rhannwch 21 â \frac{29}{100} drwy luosi 21 â chilydd \frac{29}{100}.
\frac{21\times 100}{29}
Mynegwch 21\times \frac{100}{29} fel ffracsiwn unigol.
\frac{2100}{29}
Lluosi 21 a 100 i gael 2100.
Enghreifftiau
Hafaliad cwadratig
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y = 3x + 4
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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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\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}