\[\text {Addition:} \space\space\space\space\space\space\space\space\space\space\space\space\space\space\space\space\text{term} + \text{term} = \text{summa}\] \[\text {Subtraktion:} \space\space\space\space \space\space\space\space\space\space\text{term} - \text{term} = \text{differens}\] \[\text {Multiplikation:} \space\space\space\space\space\space \text{faktor} \cdot\text{faktor} = \text{produkt}\] \[\text {Division:} \space\space\space\space\space\space\space\space\space\space\space\space\space\space\space\space\frac{\text{täljare}}{\text{nämnare}} = \text{kvot}\]

Addition & Subtraktion
\[\space\space\space\space a+(-b)=a-b \]\[\space\space\space\space a-(-b)=a+b\] Beräkna \[\space\space\space\space 7+(-3) \space\space\text{&}\space\space 7-(-3)\]

Multiplikation & Division - Del 1
\[\space\space\space\space a \cdot (-b)=(-a) \cdot b=-ab\] Beräkna \[\space\space\space\space 5 \cdot (-4)\]

Multiplikation & Division - Del 2
\[\space\space\space\space (-a) \cdot (-b)=ab\] Beräkna \[\space\space\space\space (-5) \cdot (-4)\]

Multiplikation & Division - Del 3
\[\space\space\space\space \frac{-a}{b}=\frac{a}{-b} = -\frac{a}{b}\] Beräkna \[\space\space\space\space \frac{-12}{3}\]

Multiplikation & Division - Del 4
\[\space\space\space\space \frac{-a}{-b} = \frac{a}{b}\] Beräkna \[\space\space\space\space \frac{-12}{-3}\]

Beräkna \[\space\space\space\space 11 - 7\]

Beräkna \[\space\space\space\space 6 - (-3)\]

Beräkna \[\space\space\space\space -11 - 3\]

Beräkna \[\space\space\space\space 2 - 7\]

Beräkna \[\space\space\space\space 20/(5-3)+5·2^2-7\]