Issolvi 1+(3+42-6)2-(5-7)2

$$1+(3+42-6)2-(5-7)2$$

Evalwa

$$83$$

Passi tas-Soluzzjonijiet

Żid 3 u 42 biex tikseb 45.

$$1+\left(45-6\right)\times 2-\left(5-7\right)\times 2$$

Naqqas 6 minn 45 biex tikseb 39.

$$1+39\times 2-\left(5-7\right)\times 2$$

Immultiplika 39 u 2 biex tikseb 78.

$$1+78-\left(5-7\right)\times 2$$

Żid 1 u 78 biex tikseb 79.

$$79-\left(5-7\right)\times 2$$

Naqqas 7 minn 5 biex tikseb -2.

$$79-\left(-2\times 2\right)$$

Immultiplika -2 u 2 biex tikseb -4.

$$79-\left(-4\right)$$

L-oppost ta' -4 huwa 4.

$$79+4$$

Żid 79 u 4 biex tikseb 83.

$$83$$

Fattur

$$83$$