dhoshika
dhoshika
04-04-2018
Mathematics
contestada
root 12 + root 192 - root 147
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Аноним
Аноним
04-04-2018
[tex] \sqrt{12} + \sqrt{192} - \sqrt{147} [/tex]
[tex]= \sqrt{4 \times 3} + \sqrt{64 \times 3} - \sqrt{49 \times 3} [/tex]
[tex]= 2 \sqrt{3} + 8\sqrt{3} - 7\sqrt{3} [/tex]
[tex]= 3 \sqrt{3} [/tex]
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