Datrys [1/5*(-3/12)]^2+[7/5*5/12]

$$[ \frac { 1 } { 5 } \times ( \frac { - 3 } { 12 } ) ] ^ { 2 } + [ \frac { 7 } { 5 } \times \frac { 5 } { 12 } ]$$

Enrhifo

$$\frac{703}{1200}\approx 0.585833333$$

Camau Ateb

Lleihau'r ffracsiwn \frac{-3}{12} i'r graddau lleiaf posib drwy dynnu a chanslo allan 3.

$$\left(\frac{1}{5}\left(-\frac{1}{4}\right)\right)^{2}+\frac{7}{5}\times \frac{5}{12}$$

Lluosi \frac{1}{5} a -\frac{1}{4} i gael -\frac{1}{20}.

$$\left(-\frac{1}{20}\right)^{2}+\frac{7}{5}\times \frac{5}{12}$$

Cyfrifo -\frac{1}{20} i bŵer 2 a chael \frac{1}{400}.

$$\frac{1}{400}+\frac{7}{5}\times \frac{5}{12}$$

Lluosi \frac{7}{5} a \frac{5}{12} i gael \frac{7}{12}.

$$\frac{1}{400}+\frac{7}{12}$$

Adio \frac{1}{400} a \frac{7}{12} i gael \frac{703}{1200}.

$$\frac{703}{1200}$$

Ffactor

$$\frac{19 \cdot 37}{2 ^ {4} \cdot 3 \cdot 5 ^ {2}} = 0.5858333333333333$$