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radical din 1200??? m

Răspuns :

√1200=√2²×3×10²=2×10×√3=20√3

[tex] \sqrt{ab} = \sqrt{a} * \sqrt{b} . [/tex] (ne amintim)

√1200 =
√(12*100) =
√(3*4*100) =
√3√4√100 =
(√3)*2*10 =
20√3