Datrys -3^{2}*1.2^{2}div(-0.3)^3+(-1/3)^2*(-3)^3div(-1)^25

$$- 3 ^ { 2 } \times 1.2 ^ { 2 } \div ( - 0.3 ) ^ { 3 } + ( - \frac { 1 } { 3 } ) ^ { 2 } \times ( - 3 ) ^ { 3 } \div ( - 1 ) ^ { 25 }$$

Enrhifo

$$483$$

Camau Ateb

Cyfrifo 3 i bŵer 2 a chael 9.

$$\frac{-9\times 1.2^{2}}{\left(-0.3\right)^{3}}+\frac{\left(-\frac{1}{3}\right)^{2}\left(-3\right)^{3}}{\left(-1\right)^{25}}$$

Cyfrifo 1.2 i bŵer 2 a chael 1.44.

$$\frac{-9\times 1.44}{\left(-0.3\right)^{3}}+\frac{\left(-\frac{1}{3}\right)^{2}\left(-3\right)^{3}}{\left(-1\right)^{25}}$$

Lluosi -9 a 1.44 i gael -12.96.

$$\frac{-12.96}{\left(-0.3\right)^{3}}+\frac{\left(-\frac{1}{3}\right)^{2}\left(-3\right)^{3}}{\left(-1\right)^{25}}$$

Cyfrifo -0.3 i bŵer 3 a chael -0.027.

$$\frac{-12.96}{-0.027}+\frac{\left(-\frac{1}{3}\right)^{2}\left(-3\right)^{3}}{\left(-1\right)^{25}}$$

Ehangu \frac{-12.96}{-0.027} drwy luosi'r rhifiadur a'r enwadur gyda 1000.

$$\frac{-12960}{-27}+\frac{\left(-\frac{1}{3}\right)^{2}\left(-3\right)^{3}}{\left(-1\right)^{25}}$$

Rhannu -12960 â -27 i gael 480.

$$480+\frac{\left(-\frac{1}{3}\right)^{2}\left(-3\right)^{3}}{\left(-1\right)^{25}}$$

Cyfrifo -\frac{1}{3} i bŵer 2 a chael \frac{1}{9}.

$$480+\frac{\frac{1}{9}\left(-3\right)^{3}}{\left(-1\right)^{25}}$$

Cyfrifo -3 i bŵer 3 a chael -27.

$$480+\frac{\frac{1}{9}\left(-27\right)}{\left(-1\right)^{25}}$$

Lluosi \frac{1}{9} a -27 i gael \frac{-27}{9}.

$$480+\frac{\frac{-27}{9}}{\left(-1\right)^{25}}$$

Rhannu -27 â 9 i gael -3.

$$480+\frac{-3}{\left(-1\right)^{25}}$$

Cyfrifo -1 i bŵer 25 a chael -1.

$$480+\frac{-3}{-1}$$

Gellir symlhau’r ffracsiwn \frac{-3}{-1} i 3 drwy dynnu’r arwydd negatif o’r rhifiadur a’r enwadur.

$$480+3$$

Adio 480 a 3 i gael 483.

$$483$$

Ffactor

$$3\times 7\times 23$$