Issolvi 31.8^2-2*31.8*21.8+21.8^2

$$31.8 ^ { 2 } - 2 \cdot 31.8 \cdot 21.8 + 21.8 ^ { 2 }$$

Evalwa

$$100$$

Passi tas-Soluzzjonijiet

Ikkalkula 31.8 bil-power ta' 2 u tikseb 1011.24.

$$1011.24-2\times 31.8\times 21.8+21.8^{2}$$

Immultiplika 2 u 31.8 biex tikseb 63.6.

$$1011.24-63.6\times 21.8+21.8^{2}$$

Immultiplika 63.6 u 21.8 biex tikseb 1386.48.

$$1011.24-1386.48+21.8^{2}$$

Naqqas 1386.48 minn 1011.24 biex tikseb -375.24.

$$-375.24+21.8^{2}$$

Ikkalkula 21.8 bil-power ta' 2 u tikseb 475.24.

$$-375.24+475.24$$

Żid -375.24 u 475.24 biex tikseb 100.

$$100$$

Fattur

$$2^{2}\times 5^{2}$$