Issolvi 4^-1+32^-3:5/8-0.4

$$4 ^ { - 1 } + 32 ^ { - 3 } : \frac { 5 } { 8 } - 0.4$$

Evalwa

$$-0.149951171875$$

Passi tas-Soluzzjonijiet

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

$$\frac{1}{4}+\frac{32^{-3}}{\frac{5}{8}}-0.4$$

Ikkalkula 32 bil-power ta' -3 u tikseb \frac{1}{32768}.

$$\frac{1}{4}+\frac{\frac{1}{32768}}{\frac{5}{8}}-0.4$$

Iddividi \frac{1}{32768} b'\frac{5}{8} billi timmultiplika \frac{1}{32768} bir-reċiproku ta' \frac{5}{8}.

$$\frac{1}{4}+\frac{1}{32768}\times \frac{8}{5}-0.4$$

Immultiplika \frac{1}{32768} u \frac{8}{5} biex tikseb \frac{1}{20480}.

$$\frac{1}{4}+\frac{1}{20480}-0.4$$

Żid \frac{1}{4} u \frac{1}{20480} biex tikseb \frac{5121}{20480}.

$$\frac{5121}{20480}-0.4$$

Naqqas 0.4 minn \frac{5121}{20480} biex tikseb -\frac{3071}{20480}.

$$-\frac{3071}{20480}$$

Fattur

$$-0.149951171875$$