Enrhifo
-\frac{197}{5}=-39.4
Ffactor
-\frac{197}{5} = -39\frac{2}{5} = -39.4
Rhannu
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25-74+\frac{9\times 5+3}{5}
Lluosi -37 a 2 i gael -74.
-49+\frac{9\times 5+3}{5}
Tynnu 74 o 25 i gael -49.
-49+\frac{45+3}{5}
Lluosi 9 a 5 i gael 45.
-49+\frac{48}{5}
Adio 45 a 3 i gael 48.
-\frac{245}{5}+\frac{48}{5}
Troswch y rhif degol -49 i’r ffracsiwn -\frac{245}{5}.
\frac{-245+48}{5}
Gan fod gan -\frac{245}{5} a \frac{48}{5} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
-\frac{197}{5}
Adio -245 a 48 i gael -197.
Enghreifftiau
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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 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}