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Introduceti sub radical.
[tex]2 \sqrt{3} [/tex]
[tex]15 \sqrt{10} [/tex]
[tex]8 \sqrt{5} [/tex]
dau coroana


Răspuns :

2radical3=radical12
15radical10=radical2250
8radical5=radical320

Deci a*radical b= radical (a^2*b)

[tex] \sqrt{2 {}^{2} } \times 3 = \sqrt{12} [/tex]
[tex] \sqrt{15 {}^{2} } \times 10 = 2250[/tex]
[tex] \sqrt{8 {}^{2} } \times 5 = \sqrt{320} [/tex]
coroana?