Раскройте скобки:

\(\displaystyle -9 \cdot (-w-h\,)=\)[?||-][ ][?|+|-][ ]

\(\displaystyle -(-k-m\,)=\)[?||-][ ][?|+|-][ ]

\(\displaystyle -x\cdot (-y-z\,)=\)[?||-][ ] [?|+|-][ ]