
化简:√18-(√9/√2)-[(√3+√6)/√3]+(√3-2)º+√(1-√2)² 要过程!
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√18-(√9/√2)-[(√3+√6)/√3]+(√3-2)º+√(1-√2)²
=√18-3/√2-[√3(1+√2)/√3]+1+√2-1
=√18-3/√2-(1+√2)+√2
=√18-3/√2-1-√2+√2
=√18-3/√2-1
=√18-3*√2/*√2√2-1
=3√2-3√2/2-1
=3√2/2-1
=√18-3/√2-[√3(1+√2)/√3]+1+√2-1
=√18-3/√2-(1+√2)+√2
=√18-3/√2-1-√2+√2
=√18-3/√2-1
=√18-3*√2/*√2√2-1
=3√2-3√2/2-1
=3√2/2-1
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