Issolvi 729*20+4*4*4*2-9*9*9*3+1

$$729 \times 20+4 \times 4 \times 4 \times 2-9 \times 9 \times 9 \times 3+1$$

Evalwa

$$12522$$

Passi tas-Soluzzjonijiet

Immultiplika 729 u 20 biex tikseb 14580. Immultiplika 4 u 4 biex tikseb 16.

$$14580+16\times 4\times 2-9\times 9\times 9\times 3+1$$

Immultiplika 16 u 4 biex tikseb 64.

$$14580+64\times 2-9\times 9\times 9\times 3+1$$

Immultiplika 64 u 2 biex tikseb 128.

$$14580+128-9\times 9\times 9\times 3+1$$

Żid 14580 u 128 biex tikseb 14708.

$$14708-9\times 9\times 9\times 3+1$$

Immultiplika 9 u 9 biex tikseb 81.

$$14708-81\times 9\times 3+1$$

Immultiplika 81 u 9 biex tikseb 729.

$$14708-729\times 3+1$$

Immultiplika 729 u 3 biex tikseb 2187.

$$14708-2187+1$$

Naqqas 2187 minn 14708 biex tikseb 12521.

$$12521+1$$

Żid 12521 u 1 biex tikseb 12522.

$$12522$$

Fattur

$$2\times 3\times 2087$$