Log 2+ log 200- log 6 + log 5- log 3+ log 18- log 2

log 2 + log (2 x 10 x 10) - Log (2 x 3) + log 5 - log 3 + log (3 x 3 x 2) - log 2
log 2 + log 10 + log 10 - log 2 - log 3 + log 5 - log 3 + log 3 + log 3 + log 2
log 2 + 1 + 1 + log 5 
log (2x5) + 2
log 10 + 2
1+ 2
= 3