Datrys 4^-1+3.2^-3:5/8-0,4

$$4 ^ { - 1 } + 3.2 ^ { - 3 } : \frac { 5 } { 8 } - 0,4$$

Trefnu

$$0.298828125,4$$

Camau Ateb

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

$$sort(\frac{1}{4}+\frac{3.2^{-3}}{\frac{5}{8}}-0,4)$$

Cyfrifo 3.2 i bŵer -3 a chael 0.030517578125.

$$sort(\frac{1}{4}+\frac{0.030517578125}{\frac{5}{8}}-0,4)$$

Rhannwch 0.030517578125 â \frac{5}{8} drwy luosi 0.030517578125 â chilydd \frac{5}{8}.

$$sort(\frac{1}{4}+0.030517578125\times \frac{8}{5}-0,4)$$

Lluosi 0.030517578125 a \frac{8}{5} i gael \frac{25}{512}.

$$sort(\frac{1}{4}+\frac{25}{512}-0,4)$$

Adio \frac{1}{4} a \frac{25}{512} i gael \frac{153}{512}.

$$sort(\frac{153}{512}-0,4)$$

Tynnu 0 o \frac{153}{512} i gael \frac{153}{512}.

$$sort(\frac{153}{512},4)$$

Trosi y rhifau degol yn y rhestr \frac{153}{512},4 yn ffracsiynau.

$$\frac{153}{512},4$$

Enrhifo

$$0.298828125,4$$