Datrys 179^2-121^2/935^2-65^2

$$\frac{ { 179 }^{ 2 } - { 121 }^{ 2 } }{ { 935 }^{ 2 } - { 65 }^{ 2 } }$$

Enrhifo

$$\frac{1}{50}=0.02$$

Camau Ateb

Cyfrifo 179 i bŵer 2 a chael 32041.

$$\frac{32041-121^{2}}{935^{2}-65^{2}}$$

Cyfrifo 121 i bŵer 2 a chael 14641.

$$\frac{32041-14641}{935^{2}-65^{2}}$$

Tynnu 14641 o 32041 i gael 17400.

$$\frac{17400}{935^{2}-65^{2}}$$

Cyfrifo 935 i bŵer 2 a chael 874225.

$$\frac{17400}{874225-65^{2}}$$

Cyfrifo 65 i bŵer 2 a chael 4225.

$$\frac{17400}{874225-4225}$$

Tynnu 4225 o 874225 i gael 870000.

$$\frac{17400}{870000}$$

Lleihau'r ffracsiwn \frac{17400}{870000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 17400.

$$\frac{1}{50}$$

Ffactor

$$\frac{1}{2 \cdot 5 ^ {2}} = 0.02$$