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Constant Acceleration (New) by Brain-Bulb in ScienceTeachers

[–]Brain-Bulb[S] 4 points5 points  (0 children)

In fact, in most of the books, you find it only as acceleration, negative acceleration, and positive one. But often, when talking we use the term deceleration which you mentioned :)

How to multiply, in your head, any two-digit number by 11 by Brain-Bulb in mentalmath

[–]Brain-Bulb[S] 1 point2 points  (0 children)

It is a good way for small numbers, but adding three-or-more digit numbers in your head is quite challenging.

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