Question

Реши рационально 290 +250+240+210

Answer 1

290 +250+240+210=990
990:4=247.5

Answer 2

Solution:

To solve the rational expression 290 ÷ 250 ÷ 240 ÷ 210, we can perform the division in the following order:

1. 290 ÷ 250 2. Result of (1) ÷ 240 3. Result of (2) ÷ 210

Let's calculate each step:

1. 290 ÷ 250: - The result of this division is approximately 1.16.

2. Result of (1) ÷ 240: - The result of the previous division, 1.16, divided by 240 is approximately 0.0048.

3. Result of (2) ÷ 210: - Finally, the result of the previous division, 0.0048, divided by 210 is approximately 0.000023.

Therefore, the rational expression 290 ÷ 250 ÷ 240 ÷ 210 simplifies to approximately 0.000023.