Datrys 3^2+6^2+9^2+12^2+{15}^{2}+{18}^{2}+{21}^2+{24}^2+{27}^2+{30}^2=x

$${ 3 }^{ 2 } + { 6 }^{ 2 } + { 9 }^{ 2 } + { 12 }^{ 2 } + { 15 }^{ 2 } + { 18 }^{ 2 } + { 21 }^{ 2 } + { 24 }^{ 2 } + { 27 }^{ 2 } + { 30 }^{ 2 } =x$$

Datrys ar gyfer x

$$x=3465$$

Camau ar gyfer Datrys Hafaliad Llinol

Cyfrifo 3 i bŵer 2 a chael 9.

$$9+6^{2}+9^{2}+12^{2}+15^{2}+18^{2}+21^{2}+24^{2}+27^{2}+30^{2}=x$$

Cyfrifo 6 i bŵer 2 a chael 36.

$$9+36+9^{2}+12^{2}+15^{2}+18^{2}+21^{2}+24^{2}+27^{2}+30^{2}=x$$

Adio 9 a 36 i gael 45.

$$45+9^{2}+12^{2}+15^{2}+18^{2}+21^{2}+24^{2}+27^{2}+30^{2}=x$$

Cyfrifo 9 i bŵer 2 a chael 81.

$$45+81+12^{2}+15^{2}+18^{2}+21^{2}+24^{2}+27^{2}+30^{2}=x$$

Adio 45 a 81 i gael 126.

$$126+12^{2}+15^{2}+18^{2}+21^{2}+24^{2}+27^{2}+30^{2}=x$$

Cyfrifo 12 i bŵer 2 a chael 144.

$$126+144+15^{2}+18^{2}+21^{2}+24^{2}+27^{2}+30^{2}=x$$

Adio 126 a 144 i gael 270.

$$270+15^{2}+18^{2}+21^{2}+24^{2}+27^{2}+30^{2}=x$$

Cyfrifo 15 i bŵer 2 a chael 225.

$$270+225+18^{2}+21^{2}+24^{2}+27^{2}+30^{2}=x$$

Adio 270 a 225 i gael 495.

$$495+18^{2}+21^{2}+24^{2}+27^{2}+30^{2}=x$$

Cyfrifo 18 i bŵer 2 a chael 324.

$$495+324+21^{2}+24^{2}+27^{2}+30^{2}=x$$

Adio 495 a 324 i gael 819.

$$819+21^{2}+24^{2}+27^{2}+30^{2}=x$$

Cyfrifo 21 i bŵer 2 a chael 441.

$$819+441+24^{2}+27^{2}+30^{2}=x$$

Adio 819 a 441 i gael 1260.

$$1260+24^{2}+27^{2}+30^{2}=x$$

Cyfrifo 24 i bŵer 2 a chael 576.

$$1260+576+27^{2}+30^{2}=x$$

Adio 1260 a 576 i gael 1836.

$$1836+27^{2}+30^{2}=x$$

Cyfrifo 27 i bŵer 2 a chael 729.

$$1836+729+30^{2}=x$$

Adio 1836 a 729 i gael 2565.

$$2565+30^{2}=x$$

Cyfrifo 30 i bŵer 2 a chael 900.

$$2565+900=x$$

Adio 2565 a 900 i gael 3465.

$$3465=x$$

Cyfnewidiwch yr ochrau fel bod yr holl dermau newidiol ar yr ochr chwith.

$$x=3465$$