Issolvi 26text{daysshepays}21180

$$26 \text { days she pays } 21180$$

Evalwa

$$550680edhps^{3}\left(ay\right)^{2}$$

Passi tas-Soluzzjonijiet

Immultiplika a u a biex tikseb a^{2}.

$$26da^{2}ysshepys\times 21180$$

Immultiplika y u y biex tikseb y^{2}.

$$26da^{2}y^{2}ssheps\times 21180$$

Immultiplika s u s biex tikseb s^{2}.

$$26da^{2}y^{2}s^{2}heps\times 21180$$

Biex timmultiplika l-qawwa tal-istess bażi, żid l-esponenti tagħhom. Żid 2 u 1 biex tikseb 3.

$$26da^{2}y^{2}s^{3}hep\times 21180$$

Immultiplika 26 u 21180 biex tikseb 550680.

$$550680da^{2}y^{2}s^{3}hep$$

Iddifferenzja w.r.t. d

$$550680ehps^{3}\left(ay\right)^{2}$$