Issolvi 23/5*55/5+73/2:2

$$2 \frac { 3 } { 5 } \times 5 \frac { 5 } { 5 } + 7 \frac { 3 } { 2 } : 2$$

Evalwa

$$\frac{397}{20}=19.85$$

Passi tas-Soluzzjonijiet

Immultiplika 2 u 5 biex tikseb 10.

$$\frac{10+3}{5}\times \frac{5\times 5+5}{5}+\frac{\frac{7\times 2+3}{2}}{2}$$

Żid 10 u 3 biex tikseb 13.

$$\frac{13}{5}\times \frac{5\times 5+5}{5}+\frac{\frac{7\times 2+3}{2}}{2}$$

Immultiplika 5 u 5 biex tikseb 25.

$$\frac{13}{5}\times \frac{25+5}{5}+\frac{\frac{7\times 2+3}{2}}{2}$$

Żid 25 u 5 biex tikseb 30.

$$\frac{13}{5}\times \frac{30}{5}+\frac{\frac{7\times 2+3}{2}}{2}$$

Iddividi 30 b'5 biex tikseb6.

$$\frac{13}{5}\times 6+\frac{\frac{7\times 2+3}{2}}{2}$$

Esprimi \frac{13}{5}\times 6 bħala frazzjoni waħda.

$$\frac{13\times 6}{5}+\frac{\frac{7\times 2+3}{2}}{2}$$

Immultiplika 13 u 6 biex tikseb 78.

$$\frac{78}{5}+\frac{\frac{7\times 2+3}{2}}{2}$$

Esprimi \frac{\frac{7\times 2+3}{2}}{2} bħala frazzjoni waħda.

$$\frac{78}{5}+\frac{7\times 2+3}{2\times 2}$$

Immultiplika 7 u 2 biex tikseb 14.

$$\frac{78}{5}+\frac{14+3}{2\times 2}$$

Żid 14 u 3 biex tikseb 17.

$$\frac{78}{5}+\frac{17}{2\times 2}$$

Immultiplika 2 u 2 biex tikseb 4.

$$\frac{78}{5}+\frac{17}{4}$$

L-inqas multipli komuni ta' 5 u 4 huwa 20. Ikkonverti \frac{78}{5} u \frac{17}{4} fi frazzjonijiet bid-denominatur 20.

$$\frac{312}{20}+\frac{85}{20}$$

Billi \frac{312}{20} u \frac{85}{20} għandhom l-istess denominatur, żidhom billi żżid in-numeraturi tagħhom.

$$\frac{312+85}{20}$$

Żid 312 u 85 biex tikseb 397.

$$\frac{397}{20}$$

Fattur

$$\frac{397}{2 ^ {2} \cdot 5} = 19\frac{17}{20} = 19.85$$