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Please solve As soon as In exam i have only 20 minutes Solve quickly i get you thumbs up directly Thank's Abdul-Rahim Taysir The number

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Please solve As soon as

In exam i have only 20 minutes

Solve quickly i get you thumbs up directly Thank's Abdul-Rahim Taysir

The number of strings of 6 English letters that contain the letter "a" at least once is (Note: There are 26 English letters) Select one: O 6 - 266 O 256 O 266 O 266 256

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