A.Master level
1. 12p + 36p

= ____________

2. −15a + (−36a) = ____________

3. (4ײ + 3) + (−×− 20) = ____________

4. 24× + 13× + (−8×) + (−35×) = ____________

5. (3w − 5k) + 18k + (−16w)=
_________

B.elite level
1. 18× − 30×
= ____________

2. −18×− (−30×) = ___________​