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calculati
[tex] \sqrt{ {30}^{2} - {24}^{2} } [/tex]


Răspuns :

√(30²-24²)=√[(30-24)(30+24)]=√(6·54)=√324=18


[tex] \sqrt{ {30}^{2} - {24}^{2} } = \sqrt{(30 - 24) \times (30 + 24)} = \sqrt{6 \times 54} = \sqrt{324} = \sqrt{ {18}^{2} } = 18 [/tex]