6.003•(24.369:76-319+26)

First, we need to calculate the expression inside the parentheses:

24.369 ÷ 76 = 0.3205
0.3205 - 319 = -318.6795
-318.6795 + 26 = -292.6795

Now we can multiply by 6.003:
6.003 • (-292.6795) = -1754.183985

Therefore, 6.003•(24.369:76-319+26) is approximately equal to -1754.183985.