Datrys sqrt{3^2+sqrt{49}}+(1/4)^-1+(2^2)^3

$$\sqrt { 3 ^ { 2 } + \sqrt { 49 } } + ( \frac { 1 } { 4 } ) ^ { - 1 } + ( 2 ^ { 2 } ) ^ { 3 }$$

Enrhifo

$$72$$

Camau Ateb

I godi pŵer rhif i bŵer arall, lluoswch yr esbonyddion. Lluoswch 2 a 3 i gael 6.

$$\sqrt{3^{2}+\sqrt{49}}+\left(\frac{1}{4}\right)^{-1}+2^{6}$$

Cyfrifo 3 i bŵer 2 a chael 9.

$$\sqrt{9+\sqrt{49}}+\left(\frac{1}{4}\right)^{-1}+2^{6}$$

Cyfrifo ail isradd 49 a chael 7.

$$\sqrt{9+7}+\left(\frac{1}{4}\right)^{-1}+2^{6}$$

Adio 9 a 7 i gael 16.

$$\sqrt{16}+\left(\frac{1}{4}\right)^{-1}+2^{6}$$

Cyfrifo ail isradd 16 a chael 4.

$$4+\left(\frac{1}{4}\right)^{-1}+2^{6}$$

Cyfrifo \frac{1}{4} i bŵer -1 a chael 4.

$$4+4+2^{6}$$

Adio 4 a 4 i gael 8.

$$8+2^{6}$$

Cyfrifo 2 i bŵer 6 a chael 64.

$$8+64$$

Adio 8 a 64 i gael 72.

$$72$$

Ffactor

$$2^{3}\times 3^{2}$$