Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
investigate =
1.
’²
2.
’k
3.
“x
4.
–û
ƒŒƒxƒ‹3.
•ÏX
SDAL“‡‰pŒêŠwZ