ans.
1.52 communitative property
2.-31 communicative property
3. (-5) associative property
4. [(-8)] associative property
5. -9 distributive property
6. -72 distributive property
7. -5 identity property
8. (8/3) identity property
9. (-6) distributive property
10. +162 distributive property
explanation.
yan LAng po ang kinaya ko
