1/2(√3+1)²-(3√2-2√3)(3√2+2√3)怎么算?过程…………
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![1/2(√3+1)²-(3√2-2√3)(3√2+2√3)怎么算?过程…………](/uploads/image/z/1686063-39-3.jpg?t=1%2F2%EF%BC%88%E2%88%9A3%2B1%EF%BC%89%26%23178%3B-%EF%BC%883%E2%88%9A2-2%E2%88%9A3%EF%BC%89%EF%BC%883%E2%88%9A2%2B2%E2%88%9A3%EF%BC%89%E6%80%8E%E4%B9%88%E7%AE%97%3F%E8%BF%87%E7%A8%8B%E2%80%A6%E2%80%A6%E2%80%A6%E2%80%A6)
1/2(√3+1)²-(3√2-2√3)(3√2+2√3)怎么算?过程…………
1/2(√3+1)²-(3√2-2√3)(3√2+2√3)怎么算?
过程…………
1/2(√3+1)²-(3√2-2√3)(3√2+2√3)怎么算?过程…………
1/2(√3+1)²-(3√2-2√3)(3√2+2√3)
=1/2(3+2√3+1)-(18-12)
=1/2(4+2√3)-6
=2+√3-6
=√3-4