4+6+7+1+3+4+6+7+8

Certainly! To solve this arithmetic expression in Russian, you would add the numbers together step by step:

4 + 6 = 10 10 + 7 = 17 17 + 1 = 18 18 + 3 = 21 21 + 4 = 25 25 + 6 = 31 31 + 7 = 38 38 + 8 = 46

Therefore, the answer to 4 + 6 + 7 + 1 + 3 + 4 + 6 + 7 + 8 is 46.