Keyboard shortcuts not working on Mac (DaVInci Resolve 18)

Hello! I am new to video editing and I just followed the first two tutorials on the Blackmagicdesign website. I have noticed that not all keyboard shortcuts are working on my computer. I have a Macbook Air with the latest update (macOS Monterey 12.6.3). I am using the default keyboard version.
Some of the shortcuts that do not work:
- Playback: ⌥/
- Custom zoom in: the tutorial says ⌘= but it's ⌘+ on my computer
- Add one frame: the . does not work (but the remove one frame shortcut works!)
- Shuffle insert edit: ⇧⌘. does not work, but ⇧⌘, does
- Increase audio by 1dB: ⌥⌘=
I have also noticed that I can use the F9 F10 and F11 shortcuts without changing the keyboard settings by pressing the function key with them.
Am I doing something wrong?
Some of the shortcuts that do not work:
- Playback: ⌥/
- Custom zoom in: the tutorial says ⌘= but it's ⌘+ on my computer
- Add one frame: the . does not work (but the remove one frame shortcut works!)
- Shuffle insert edit: ⇧⌘. does not work, but ⇧⌘, does
- Increase audio by 1dB: ⌥⌘=
I have also noticed that I can use the F9 F10 and F11 shortcuts without changing the keyboard settings by pressing the function key with them.
Am I doing something wrong?