1. Laske.
a) 5 ∙ 2 − 12 =
b) 27 + 4 ∙ (−3) =
c) −3 ∙ 3 + (−9) =
d) 5 ∙ 6 − 2 ∙ (−4) =

2. Laske.
a) 10[[$^2$]] + 2 ∙ (−3) =
b) −10 + 3[[$^2$]] =
c) 3[[$^3$]] − 28 : 4 ∙ 9 =
d) 6[[$^2$]] − 3 ∙ 2[[$^3$]] =

3. Laske.
a) −8 ∙ (15 − 9) =
b) (32 − 14) : (−6) =
c) −2 ∙ (6 − 10) ∙ (−4) =
d) (4 ∙ 3 − 7) ∙ (−2) =