Issolvi 1*3+3*5+5*7++35*37+37*39div39*41

$$1 \times 3 + 3 \times 5 + 5 \times 7 + + 35 \times 37 + 37 \times 39 \div 39 \times 41$$

Evalwa

$$2865$$

Passi tas-Soluzzjonijiet

Immultiplika 1 u 3 biex tikseb 3. Immultiplika 3 u 5 biex tikseb 15. Immultiplika 5 u 7 biex tikseb 35. Immultiplika 35 u 37 biex tikseb 1295.

$$3+15+35+1295+\frac{37\times 39}{39}\times 41$$

Żid 3 u 15 biex tikseb 18.

$$18+35+1295+\frac{37\times 39}{39}\times 41$$

Żid 18 u 35 biex tikseb 53.

$$53+1295+\frac{37\times 39}{39}\times 41$$

Żid 53 u 1295 biex tikseb 1348.

$$1348+\frac{37\times 39}{39}\times 41$$

Annulla 39 u 39.

$$1348+37\times 41$$

Immultiplika 37 u 41 biex tikseb 1517.

$$1348+1517$$

Żid 1348 u 1517 biex tikseb 2865.

$$2865$$

Fattur

$$3\times 5\times 191$$