Issolvi 2(19.3*8.9)/19.3+8.9

$$\frac{ 2(19.3 \times 8.9) }{ 19.3+8.9 }$$

Evalwa

$$\frac{17177}{1410}\approx 12.182269504$$

Passi tas-Soluzzjonijiet

Immultiplika 2 u 19.3 biex tikseb 38.6.

$$\frac{38.6\times 8.9}{19.3+8.9}$$

Immultiplika 38.6 u 8.9 biex tikseb 343.54.

$$\frac{343.54}{19.3+8.9}$$

Żid 19.3 u 8.9 biex tikseb 28.2.

$$\frac{343.54}{28.2}$$

Espandi \frac{343.54}{28.2} billi timmultiplika kemm in-numeratur kif ukoll id-denominatur b'100.

$$\frac{34354}{2820}$$

Naqqas il-frazzjoni \frac{34354}{2820} għat-termini l-aktar baxxi billi testratta u tikkanċella barra 2.

$$\frac{17177}{1410}$$

Fattur

$$\frac{89 \cdot 193}{2 \cdot 3 \cdot 5 \cdot 47} = 12\frac{257}{1410} = 12.182269503546099$$