计算题 2的﹣1次方+√4-³√8+(√2) º① 2的﹣1次方+√4-³√8+(√2) º②(1+√2)(1-√2)-(√5-√5分之1)²√(x-2)²+√(x-y+3)²=0,求x+y的值解答题如图,在梯形ABCD中,AD‖BC,E,F分别为
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![计算题 2的﹣1次方+√4-³√8+(√2) º① 2的﹣1次方+√4-³√8+(√2) º②(1+√2)(1-√2)-(√5-√5分之1)²√(x-2)²+√(x-y+3)²=0,求x+y的值解答题如图,在梯形ABCD中,AD‖BC,E,F分别为](/uploads/image/z/4526755-43-5.jpg?t=%E8%AE%A1%E7%AE%97%E9%A2%98+2%E7%9A%84%EF%B9%A31%E6%AC%A1%E6%96%B9%2B%E2%88%9A4%EF%BC%8D%26%23179%3B%E2%88%9A8%2B%28%E2%88%9A2%29+%26%23186%3B%E2%91%A0+2%E7%9A%84%EF%B9%A31%E6%AC%A1%E6%96%B9%2B%E2%88%9A4%EF%BC%8D%26%23179%3B%E2%88%9A8%2B%28%E2%88%9A2%29+%26%23186%3B%E2%91%A1%281%2B%E2%88%9A2%29%281-%E2%88%9A2%29-%28%E2%88%9A5-%E2%88%9A5%E5%88%86%E4%B9%8B1%29%26%23178%3B%E2%88%9A%28x-2%29%26%23178%3B%2B%E2%88%9A%28x-y%2B3%29%26%23178%3B%3D0%2C%E6%B1%82x%2By%E7%9A%84%E5%80%BC%E8%A7%A3%E7%AD%94%E9%A2%98%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAD%E2%80%96BC%2CE%2CF%E5%88%86%E5%88%AB%E4%B8%BA)
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