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A) 1/5√2+4√3+1/3√2+2√3-10/4√3+3√2

B) 1/8√2+6√3-10/7√2+4√3-1/5√3+6√2

C) 6/5√3+6√2+18/3√2+2√3-15/4√3-3√2