Issolvi 1+(3+4.2-6).2-(5-7).2

$$1+(3+4.2-6).2-(5-7).2$$

Evalwa

$$1.64$$

Passi tas-Soluzzjonijiet

Żid 3 u 4.2 biex tikseb 7.2.

$$1+\left(7.2-6\right)\times 0.2-\left(5-7\right)\times 0.2$$

Naqqas 6 minn 7.2 biex tikseb 1.2.

$$1+1.2\times 0.2-\left(5-7\right)\times 0.2$$

Immultiplika 1.2 u 0.2 biex tikseb 0.24.

$$1+0.24-\left(5-7\right)\times 0.2$$

Żid 1 u 0.24 biex tikseb 1.24.

$$1.24-\left(5-7\right)\times 0.2$$

Naqqas 7 minn 5 biex tikseb -2.

$$1.24-\left(-2\times 0.2\right)$$

Immultiplika -2 u 0.2 biex tikseb -0.4.

$$1.24-\left(-0.4\right)$$

L-oppost ta' -0.4 huwa 0.4.

$$1.24+0.4$$

Żid 1.24 u 0.4 biex tikseb 1.64.

$$1.64$$

Fattur

$$\frac{41}{5 ^ {2}} = 1\frac{16}{25} = 1.64$$