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1. Taldea1
2. Taldea2
3. Taldea3
4. Taldea4

(a-b)^2

log 1

(a-b)*(a-b)

x*x

sqrt(1)

sqrt(x^4)

(4^2)/(4^2)

453*0

x^2

0

a^2-2ab+b^2

log 10