(12,3+1,68)*2,05-0,348:2,9=

First, solve the expression within the parentheses:
(3+1,68) = 4,68

Next, perform the multiplication:
12 * 4,68 = 56,16

Then, perform the subtraction:
56,16 * 2,05 - 0,348 = 115.3872 - 0.348

Finally, perform the division:
115.3872 / 2.9 ≈ 39.7917

Therefore, the answer is approximately 39.7917.