Пошаговое объяснение:

1. x = 3/2 * 5/6 = 5/4 = 1.25

2. x = 4/9 * 45 / 8 = 5/2 = 2.5

3. x = 12/5 * 2/3 = 8/5 = 1.6

4. x = 21/10 * 6/7 = 9/5 = 1.8

5. x = 27/4 * 8/9 = 6

6. x=27/5 * 16/9 = 48/5 = 9.6

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