3 4/5×1+ 12 17/19 ×0+2/13×13

Let's break down the expression step by step.

1. Calculate \(3 \frac{4}{5} \times 1\): \[ 3 \frac{4}{5} = \frac{3 \times 5 + 4}{5} = \frac{15 + 4}{5} = \frac{19}{5} \] Now, multiply: \[ \frac{19}{5} \times 1 = \frac{19}{5} \]

2. Calculate \(12 \frac{17}{19} \times 0\): Anything multiplied by 0 is 0: \[ 12 \frac{17}{19} \times 0 = 0 \]

3. Calculate \(\frac{2}{13} \times 13\): \[ \frac{2}{13} \times 13 = 2 \]

4. Putting it all together: Now, add the results: \[ \frac{19}{5} + 0 + 2 \] Convert 2 to a fraction with a denominator of 5: \[ 2 = \frac{10}{5} \] Adding them: \[ \frac{19}{5} + \frac{10}{5} = \frac{29}{5} \]

Thus, the final answer is: \[ \frac{29}{5} \quad \text{or} \quad 5 \frac{4}{5} \]