Datrys (2(1-1/2)+[(2)^2]^-3/-frac{3{4}-(-3)+2/5*3/8})=frac{325}{768}=0.4232

$$( \frac { 2 ( 1 - \frac { 1 } { 2 } ) + [ ( 2 ) ^ { 2 } ] ^ { - 3 } } { - \frac { 3 } { 4 } - ( - 3 ) + \frac { 2 } { 5 } \cdot \frac { 3 } { 8 } } ) = \frac { 325 } { 768 } = 0.4232$$

Gwireddu

Camau Ateb

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

$$\frac{2\left(1-\frac{1}{2}\right)+2^{-6}}{-\frac{3}{4}-\left(-3\right)+\frac{2}{5}\times \frac{3}{8}}=\frac{325}{768}\text{ and }\frac{325}{768}=0.4232$$

Tynnu \frac{1}{2} o 1 i gael \frac{1}{2}.

$$\frac{2\times \frac{1}{2}+2^{-6}}{-\frac{3}{4}-\left(-3\right)+\frac{2}{5}\times \frac{3}{8}}=\frac{325}{768}\text{ and }\frac{325}{768}=0.4232$$

Lluosi 2 a \frac{1}{2} i gael 1.

$$\frac{1+2^{-6}}{-\frac{3}{4}-\left(-3\right)+\frac{2}{5}\times \frac{3}{8}}=\frac{325}{768}\text{ and }\frac{325}{768}=0.4232$$

Cyfrifo 2 i bŵer -6 a chael \frac{1}{64}.

$$\frac{1+\frac{1}{64}}{-\frac{3}{4}-\left(-3\right)+\frac{2}{5}\times \frac{3}{8}}=\frac{325}{768}\text{ and }\frac{325}{768}=0.4232$$

Adio 1 a \frac{1}{64} i gael \frac{65}{64}.

$$\frac{\frac{65}{64}}{-\frac{3}{4}-\left(-3\right)+\frac{2}{5}\times \frac{3}{8}}=\frac{325}{768}\text{ and }\frac{325}{768}=0.4232$$

Gwrthwyneb -3 yw 3.

$$\frac{\frac{65}{64}}{-\frac{3}{4}+3+\frac{2}{5}\times \frac{3}{8}}=\frac{325}{768}\text{ and }\frac{325}{768}=0.4232$$

Adio -\frac{3}{4} a 3 i gael \frac{9}{4}.

$$\frac{\frac{65}{64}}{\frac{9}{4}+\frac{2}{5}\times \frac{3}{8}}=\frac{325}{768}\text{ and }\frac{325}{768}=0.4232$$

Lluosi \frac{2}{5} a \frac{3}{8} i gael \frac{3}{20}.

$$\frac{\frac{65}{64}}{\frac{9}{4}+\frac{3}{20}}=\frac{325}{768}\text{ and }\frac{325}{768}=0.4232$$

Adio \frac{9}{4} a \frac{3}{20} i gael \frac{12}{5}.

$$\frac{\frac{65}{64}}{\frac{12}{5}}=\frac{325}{768}\text{ and }\frac{325}{768}=0.4232$$

Rhannwch \frac{65}{64} â \frac{12}{5} drwy luosi \frac{65}{64} â chilydd \frac{12}{5}.

$$\frac{65}{64}\times \frac{5}{12}=\frac{325}{768}\text{ and }\frac{325}{768}=0.4232$$

Lluosi \frac{65}{64} a \frac{5}{12} i gael \frac{325}{768}.

$$\frac{325}{768}=\frac{325}{768}\text{ and }\frac{325}{768}=0.4232$$

Cymharu \frac{325}{768} gyda \frac{325}{768}.

$$\text{true}\text{ and }\frac{325}{768}=0.4232$$

Troswch y rhif degol 0.4232 i’r ffracsiwn \frac{4232}{10000}. Lleihau'r ffracsiwn \frac{4232}{10000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 8.

$$\text{true}\text{ and }\frac{325}{768}=\frac{529}{1250}$$

Lluosrif lleiaf cyffredin 768 a 1250 yw 480000. Troswch \frac{325}{768} a \frac{529}{1250} yn ffracsiynau gyda’r enwadur 480000.

$$\text{true}\text{ and }\frac{203125}{480000}=\frac{203136}{480000}$$

Cymharu \frac{203125}{480000} gyda \frac{203136}{480000}.

$$\text{true}\text{ and }\text{false}$$

Cysylltydd \text{true} a \text{false} yw \text{false}.

$$\text{false}$$