Issolvi 46-{38-(-2)+-9+(42-18+-15)-(-7)}=

$$46 - \{ 38 - ( - 2 ) + - 9 + ( 42 - 18 + - 15 ) - ( - 7 ) \} =$$

Evalwa

$$-1$$

Passi tas-Soluzzjonijiet

L-oppost ta' -2 huwa 2.

$$46-\left(38+2-9+42-18-15-\left(-7\right)\right)$$

Żid 38 u 2 biex tikseb 40.

$$46-\left(40-9+42-18-15-\left(-7\right)\right)$$

Naqqas 9 minn 40 biex tikseb 31.

$$46-\left(31+42-18-15-\left(-7\right)\right)$$

Żid 31 u 42 biex tikseb 73.

$$46-\left(73-18-15-\left(-7\right)\right)$$

Naqqas 18 minn 73 biex tikseb 55.

$$46-\left(55-15-\left(-7\right)\right)$$

Naqqas 15 minn 55 biex tikseb 40.

$$46-\left(40-\left(-7\right)\right)$$

L-oppost ta' -7 huwa 7.

$$46-\left(40+7\right)$$

Żid 40 u 7 biex tikseb 47.

$$46-47$$

Naqqas 47 minn 46 biex tikseb -1.

$$-1$$

Fattur

$$-1$$