By having a photographic memory. Otherwise, repetition is the only thing that lets you learn most things.
It began to expand in size. There is a hole at that point in our knowledge of the early universe but without a doubt the universe began to expand.
9999
8889
Assonance is the term used to describe the repetition of vowel sounds without the repetition of consonants in a phrase or sentence.
9774
computers can expand knowledge and help within, although without it, it cannot.
9876 - 123= 9753
The largest 4 digit number with repetition is 9999. The smallest 3 digit number without repetition is 102 9999 - 102 = 9897
Largest 4 digit number with repetition is 9999 Largest 3 digit number without repetition is 987 Difference is 9999 - 987 = 9012.
9876-102 9704
9,876 without any number used more than once, 9,898 without side-by-side repetition, and 9,897 for a number without pattern.
8888