Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
calculate =
1. ‘½
2. –î
3. ü
4. ŽZ

ƒŒƒxƒ‹2. •ύX
SDAL“‡‰pŒêŠwZ