Issolvi 16^2-64^frac{1{2}}*4^-2

$$16 ^ { 2 } - 64 ^ { \frac { 1 } { 2 } } \times 4 ^ { - 2 }$$

Evalwa

$$\frac{511}{2}=255.5$$

Passi tas-Soluzzjonijiet

Ikkalkula 16 bil-power ta' 2 u tikseb 256.

$$256-64^{\frac{1}{2}}\times 4^{-2}$$

Ikkalkula 64 bil-power ta' \frac{1}{2} u tikseb 8.

$$256-8\times 4^{-2}$$

Ikkalkula 4 bil-power ta' -2 u tikseb \frac{1}{16}.

$$256-8\times \frac{1}{16}$$

Immultiplika 8 u \frac{1}{16} biex tikseb \frac{1}{2}.

$$256-\frac{1}{2}$$

Naqqas \frac{1}{2} minn 256 biex tikseb \frac{511}{2}.

$$\frac{511}{2}$$

Fattur

$$\frac{7 \cdot 73}{2} = 255\frac{1}{2} = 255.5$$