Datrys 1/3*(3)^-1+0.25/frac{1{3}*(33/50-1)}=

$$\frac { \frac { 1 } { 3 } \cdot ( 3 ) ^ { - 1 } + 0.25 } { \frac { 1 } { 3 } \cdot ( \frac { 33 } { 50 } - 1 ) } =$$

Enrhifo

$$-\frac{325}{102}\approx -3.18627451$$

Camau Ateb

Cyfrifo 3 i bŵer -1 a chael \frac{1}{3}.

$$\frac{\frac{1}{3}\times \frac{1}{3}+0.25}{\frac{1}{3}\left(\frac{33}{50}-1\right)}$$

Lluosi \frac{1}{3} a \frac{1}{3} i gael \frac{1}{9}.

$$\frac{\frac{1}{9}+0.25}{\frac{1}{3}\left(\frac{33}{50}-1\right)}$$

Adio \frac{1}{9} a 0.25 i gael \frac{13}{36}.

$$\frac{\frac{13}{36}}{\frac{1}{3}\left(\frac{33}{50}-1\right)}$$

Tynnu 1 o \frac{33}{50} i gael -\frac{17}{50}.

$$\frac{\frac{13}{36}}{\frac{1}{3}\left(-\frac{17}{50}\right)}$$

Lluosi \frac{1}{3} a -\frac{17}{50} i gael -\frac{17}{150}.

$$\frac{\frac{13}{36}}{-\frac{17}{150}}$$

Rhannwch \frac{13}{36} â -\frac{17}{150} drwy luosi \frac{13}{36} â chilydd -\frac{17}{150}.

$$\frac{13}{36}\left(-\frac{150}{17}\right)$$

Lluosi \frac{13}{36} a -\frac{150}{17} i gael -\frac{325}{102}.

$$-\frac{325}{102}$$

Ffactor

$$-\frac{325}{102} = -3\frac{19}{102} = -3.1862745098039214$$