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Cell was first discovered by Robert Hook in 1665 in cork tissue.
1.2 4.2 ? 18.2 33.2 56.2
...7 26 63 126 215 342
...Select the option in which the numbers are related in the same way as are the numbers of the following set.
(25, 18, 225)
0 2 6 12 20 ?
...13 26 78 ? 468 936
...Complete the series choosing the missing number.
8, 13, 20, ____, 40.
Identify the given logic and complete the series with the correct option. 12, 15, 18, 20,?
9 16 56 318 2424 25070
...64 96 48 72 36 ?
...If2.53.5 x 30124625
Then, x ² - 1 - 2x = ?
...