Ответ:
(√3 + 2)² - 2√12=(√3)^2+2*2*√3+2^2-2√12=3+4√3+4-2√4*3=3+4√3+4-2*2√*3=3+4√3+4-4√3=3+4=7
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Ответ:
(√3 + 2)² - 2√12=(√3)^2+2*2*√3+2^2-2√12=3+4√3+4-2√4*3=3+4√3+4-2*2√*3=3+4√3+4-4√3=3+4=7