Réitigh 8.4-(1.8+0.5+2.5)-[6.8+0.2+(-0.7)*(-1)]

$$8.4 - ( 1.8 + 0.5 + 2.5 ) - [ 6.8 + 0.2 + ( - 0.7 ) \cdot ( - 1 ) ]$$

Luacháil

$$-4.1$$

Céimeanna Réitigh

Suimigh 1.8 agus 0.5 chun 2.3 a fháil.

$$8.4-\left(2.3+2.5\right)-\left(6.8+0.2-0.7\left(-1\right)\right)$$

Suimigh 2.3 agus 2.5 chun 4.8 a fháil.

$$8.4-4.8-\left(6.8+0.2-0.7\left(-1\right)\right)$$

Dealaigh 4.8 ó 8.4 chun 3.6 a fháil.

$$3.6-\left(6.8+0.2-0.7\left(-1\right)\right)$$

Suimigh 6.8 agus 0.2 chun 7 a fháil.

$$3.6-\left(7-0.7\left(-1\right)\right)$$

Méadaigh -0.7 agus -1 chun 0.7 a fháil.

$$3.6-\left(7+0.7\right)$$

Suimigh 7 agus 0.7 chun 7.7 a fháil.

$$3.6-7.7$$

Dealaigh 7.7 ó 3.6 chun -4.1 a fháil.

$$-4.1$$

Fachtóirigh

$$-4.1$$