Issolvi 8*143div7-20*(85div6)=

$$8 \times 143 \div 7 - 20 \times ( 85 \div 6 ) =$$

Evalwa

$$-\frac{2518}{21}\approx -119.904761905$$

Passi tas-Soluzzjonijiet

Immultiplika 8 u 143 biex tikseb 1144.

$$\frac{1144}{7}-20\times \frac{85}{6}$$

Esprimi 20\times \frac{85}{6} bħala frazzjoni waħda.

$$\frac{1144}{7}-\frac{20\times 85}{6}$$

Immultiplika 20 u 85 biex tikseb 1700.

$$\frac{1144}{7}-\frac{1700}{6}$$

Naqqas il-frazzjoni \frac{1700}{6} għat-termini l-aktar baxxi billi testratta u tikkanċella barra 2.

$$\frac{1144}{7}-\frac{850}{3}$$

L-inqas multipli komuni ta' 7 u 3 huwa 21. Ikkonverti \frac{1144}{7} u \frac{850}{3} fi frazzjonijiet bid-denominatur 21.

$$\frac{3432}{21}-\frac{5950}{21}$$

Billi \frac{3432}{21} u \frac{5950}{21} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.

$$\frac{3432-5950}{21}$$

Naqqas 5950 minn 3432 biex tikseb -2518.

$$-\frac{2518}{21}$$

Fattur

$$-\frac{2518}{21} = -119\frac{19}{21} = -119.9047619047619$$