Enrhifo
39.25
Ffactor
\frac{157}{2 ^ {2}} = 39\frac{1}{4} = 39.25
Rhannu
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314\times 0.0025\times \frac{15}{0.3}
Cyfrifo 0.05 i bŵer 2 a chael 0.0025.
0.785\times \frac{15}{0.3}
Lluosi 314 a 0.0025 i gael 0.785.
0.785\times \frac{150}{3}
Ehangu \frac{15}{0.3} drwy luosi'r rhifiadur a'r enwadur gyda 10.
0.785\times 50
Rhannu 150 â 3 i gael 50.
39.25
Lluosi 0.785 a 50 i gael 39.25.
Enghreifftiau
Hafaliad cwadratig
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Hafaliad llinol
y = 3x + 4
Rhifyddeg
699 * 533
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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 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}