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## Main Question or Discussion Point

**fuzzy arithmetic....**

hey, i'm a newbie in this field.....just know how to add, subtract, multiply, and divide fuzzy numbers.... but want to learn a bit more....could u give me some gud links to some sites tht explain fuzzy numbers, etc... all i get on the net is going over my head....some simple sites plssss, thnx....

also, i have this doubt....

[a,b] - [c,d] = [a-d, b-c]......right???

therefore, transposing [c,d], we have

[a,b] = [a-d, b-c] + [c,d]

and hence...

[a,b] = [a + c - d, b + d - c]......how is tht??? or is wrong to transpose like tht???

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