Issolvi [(-3+7)*2-5*(-4+8)]*(4-9)=

$$[ ( - 3 + 7 ) \cdot 2 - 5 \cdot ( - 4 + 8 ) ] \cdot ( 4 - 9 ) =$$

Evalwa

$$60$$

Passi tas-Soluzzjonijiet

Żid -3 u 7 biex tikseb 4.

$$\left(4\times 2-5\left(-4+8\right)\right)\left(4-9\right)$$

Immultiplika 4 u 2 biex tikseb 8.

$$\left(8-5\left(-4+8\right)\right)\left(4-9\right)$$

Żid -4 u 8 biex tikseb 4.

$$\left(8-5\times 4\right)\left(4-9\right)$$

Immultiplika 5 u 4 biex tikseb 20.

$$\left(8-20\right)\left(4-9\right)$$

Naqqas 20 minn 8 biex tikseb -12.

$$-12\left(4-9\right)$$

Naqqas 9 minn 4 biex tikseb -5.

$$-12\left(-5\right)$$

Immultiplika -12 u -5 biex tikseb 60.

$$60$$

Fattur

$$2^{2}\times 3\times 5$$