Issolvi 84*0.1+3*(-4*0.25+3^2)+4.1+2

$$84 \cdot 0.1 + 3 \cdot ( - 4 \cdot 0.25 + 3 ^ { 2 } ) + 4.1 + 2$$

Evalwa

$$38.5$$

Passi tas-Soluzzjonijiet

Immultiplika 84 u 0.1 biex tikseb 8.4.

$$8.4+3\left(-4\times 0.25+3^{2}\right)+4.1+2$$

Immultiplika -4 u 0.25 biex tikseb -1.

$$8.4+3\left(-1+3^{2}\right)+4.1+2$$

Ikkalkula 3 bil-power ta' 2 u tikseb 9.

$$8.4+3\left(-1+9\right)+4.1+2$$

Żid -1 u 9 biex tikseb 8.

$$8.4+3\times 8+4.1+2$$

Immultiplika 3 u 8 biex tikseb 24.

$$8.4+24+4.1+2$$

Żid 8.4 u 24 biex tikseb 32.4.

$$32.4+4.1+2$$

Żid 32.4 u 4.1 biex tikseb 36.5.

$$36.5+2$$

Żid 36.5 u 2 biex tikseb 38.5.

$$38.5$$

Fattur

$$\frac{7 \cdot 11}{2} = 38\frac{1}{2} = 38.5$$