Question

(2 1/10:2-1,8)×0,4+0,3

Answer 1

(21/10 : 2 -1,8)*0,4+0,3=

Answer 2

To solve the expression (2 1/10:2-1,8)×0,4+0,3, let's break it down step by step:

1. Begin by simplifying the division operation within the parentheses: 2 1/10:2 = 2.1 ÷ 2 = 1.05

2. Subtract 1.8 from the result obtained in step 1: 1.05 - 1.8 = -0.75

3. Now, we can proceed with the multiplication: -0.75 × 0.4 = -0.3

4. Finally, add 0.3 to the result from step 3: -0.3 + 0.3 = 0

Therefore, the value of the expression (2 1/10:2-1,8)×0,4+0,3 is 0.