Question

4/5 × 5/6 × 6/7 × 7/8 × 8/9?/?-дроби×-умножение​

Answer 1

Ответ:

4/5*5/6*6/7*7/8*8/9=4/9

Answer 2

To simplify the expression 4/5 × 5/6 × 6/7 × 7/8 × 8/9, you can cancel out common factors in the numerators and denominators:

• Numerators: 4, 5, 6, 7, 8
• Denominators: 5, 6, 7, 8, 9

Cancelling out common factors:

• Numerator: (4 * 7) = 28
• Denominator: (5 * 6 * 7 * 8 * 9) = 15120

So, the simplified expression is 28/15120.

If you would like to calculate the final result and need to provide a value for the last "?", you can evaluate the expression:

4/5 × 5/6 × 6/7 × 7/8 × 8/9 × x/1 = 28/15120

Cross-multiplying: (4 * 5 * 6 * 7 * 8 * x) = 28 * 15120

Solving for x: x = (28 * 15120) / (4 * 5 * 6 * 7 * 8)

Calculating: x = 3780

So, the final expression is 28/15120 - дроби × умножение, and the value of "?" is 3780.