Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
calculate =
1. ‹­
2. á
3. –Â
4. ŽZ

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ