2,26-0,8•2,58

Let's evaluate the expression step by step:

Expression: 2.26 - 0.8 × 2.58

1. First, perform the multiplication:

0.8 × 2.58 = (0.8 × 2) + (0.8 × 0.58)
= 1.6 + 0.464
= 2.064

2. Next, subtract this result from 2.26:

2.26 - 2.064 = 0.196

Final answer: 0.196