Issolvi 10*[0.57+(20.03-7.5):0.1]

$$10 \cdot [ 0.57 + ( 20.03 - 7.5 ) : 0.1 ]$$

Evalwa

$$1258.7$$

Passi tas-Soluzzjonijiet

Naqqas 7.5 minn 20.03 biex tikseb 12.53.

$$10\left(0.57+\frac{12.53}{0.1}\right)$$

Espandi \frac{12.53}{0.1} billi timmultiplika kemm in-numeratur kif ukoll id-denominatur b'100.

$$10\left(0.57+\frac{1253}{10}\right)$$

Ikkonverti n-numru deċimali 0.57 fi frazzjoni \frac{57}{100}.

$$10\left(\frac{57}{100}+\frac{1253}{10}\right)$$

L-inqas multipli komuni ta' 100 u 10 huwa 100. Ikkonverti \frac{57}{100} u \frac{1253}{10} fi frazzjonijiet bid-denominatur 100.

$$10\left(\frac{57}{100}+\frac{12530}{100}\right)$$

Billi \frac{57}{100} u \frac{12530}{100} għandhom l-istess denominatur, żidhom billi żżid in-numeraturi tagħhom.

$$10\times \frac{57+12530}{100}$$

Żid 57 u 12530 biex tikseb 12587.

$$10\times \frac{12587}{100}$$

Esprimi 10\times \frac{12587}{100} bħala frazzjoni waħda.

$$\frac{10\times 12587}{100}$$

Immultiplika 10 u 12587 biex tikseb 125870.

$$\frac{125870}{100}$$

Naqqas il-frazzjoni \frac{125870}{100} għat-termini l-aktar baxxi billi testratta u tikkanċella barra 10.

$$\frac{12587}{10}$$

Fattur

$$\frac{41 \cdot 307}{2 \cdot 5} = 1258\frac{7}{10} = 1258.7$$