Key Idea1 of 3
One Then Two
An ABB pattern is the opposite of AAB. It goes: red, blue, blue, red, blue, blue. One A then two Bs, repeating.
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Mathematics — Patterns: AB, AAB, ABB, ABC
An ABB pattern is the opposite of AAB. It goes: red, blue, blue, red, blue, blue. One A then two Bs, repeating.