come in1.若(x+2) ² = 2则x的值为 A√2 + 4 ,B√2 - 4 C±√2 - 2 D√2± 2(根号有空格哦) 2.a,b两数满足b
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![come in1.若(x+2) ² = 2则x的值为 A√2 + 4 ,B√2 - 4 C±√2 - 2 D√2± 2(根号有空格哦) 2.a,b两数满足b](/uploads/image/z/10353508-52-8.jpg?t=come+in1.%E8%8B%A5%28x%2B2%29+%26%23178%3B+%3D+2%E5%88%99x%E7%9A%84%E5%80%BC%E4%B8%BA+A%E2%88%9A2+%2B+4+%2CB%E2%88%9A2+-+4+C%C2%B1%E2%88%9A2+-+2+D%E2%88%9A2%C2%B1+2%EF%BC%88%E6%A0%B9%E5%8F%B7%E6%9C%89%E7%A9%BA%E6%A0%BC%E5%93%A6%EF%BC%89+2.a%2Cb%E4%B8%A4%E6%95%B0%E6%BB%A1%E8%B6%B3b)
come in1.若(x+2) ² = 2则x的值为 A√2 + 4 ,B√2 - 4 C±√2 - 2 D√2± 2(根号有空格哦) 2.a,b两数满足b
come in
1.若(x+2) ² = 2则x的值为 A√2 + 4 ,B√2 - 4 C±√2 - 2 D√2± 2(根号有空格哦)
2.a,b两数满足b
come in1.若(x+2) ² = 2则x的值为 A√2 + 4 ,B√2 - 4 C±√2 - 2 D√2± 2(根号有空格哦) 2.a,b两数满足b
1选C
2选C a-b>0
3-m>0即m<0则n<0即P位于第四象限
4 相反数3-2√2;2√2 - 3<0故绝对值为3-2√2
5展开(x-y)²/xy =x/y+y/x-2=√6/3+√6/2-2=5√6/6-2
6等于π-3=0.1416
1,c , x+2=±√2 x=±√2-2
2,c , 只有a-b>0
3, 第三象限
4,相反数为3-2√2,因为2√2<3,所以绝对值也是3-2√2
5, 5√6/6-2
6, 9+π²-6π