解方程:⑴ 2y²=8 ⑵ 2(x-8)²=50 ⑶ (2x-1)²解方程:⑴ 2y²=8 ⑵ 2(x-8)²=50 ⑶ (2x-1)²-4=0 ⑷ 4x²-4x+1=0 ⑸ 3(x-1)²-6=0 ⑹ x²-4x+4=5 ⑺ 9x²-5=3 ⑻ (x+6)²-9=
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![解方程:⑴ 2y²=8 ⑵ 2(x-8)²=50 ⑶ (2x-1)²解方程:⑴ 2y²=8 ⑵ 2(x-8)²=50 ⑶ (2x-1)²-4=0 ⑷ 4x²-4x+1=0 ⑸ 3(x-1)²-6=0 ⑹ x²-4x+4=5 ⑺ 9x²-5=3 ⑻ (x+6)²-9=](/uploads/image/z/474128-8-8.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A%E2%91%B4+2y%26%23178%3B%3D8+%E2%91%B5+2%EF%BC%88x-8%EF%BC%89%26%23178%3B%3D50+%E2%91%B6+%EF%BC%882x-1%EF%BC%89%26%23178%3B%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A%E2%91%B4+2y%26%23178%3B%3D8+%E2%91%B5+2%EF%BC%88x-8%EF%BC%89%26%23178%3B%3D50+%E2%91%B6+%EF%BC%882x-1%EF%BC%89%26%23178%3B-4%3D0+%E2%91%B7+4x%26%23178%3B-4x%2B1%3D0+%E2%91%B8+3%EF%BC%88x-1%EF%BC%89%26%23178%3B-6%3D0+%E2%91%B9+x%26%23178%3B-4x%2B4%3D5+%E2%91%BA+9x%26%23178%3B-5%3D3+%E2%91%BB+%EF%BC%88x%2B6%EF%BC%89%26%23178%3B-9%3D)
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解方程:⑴ 2y²=8 ⑵ 2(x-8)²=50 ⑶ (2x-1)²解方程:⑴ 2y²=8 ⑵ 2(x-8)²=50 ⑶ (2x-1)²-4=0 ⑷ 4x²-4x+1=0 ⑸ 3(x-1)²-6=0 ⑹ x²-4x+4=5 ⑺ 9x²-5=3 ⑻ (x+6)²-9=
解方程:⑴ 2y²=8 ⑵ 2(x-8)²=50 ⑶ (2x-1)²
解方程:⑴ 2y²=8 ⑵ 2(x-8)²=50 ⑶ (2x-1)²-4=0 ⑷ 4x²-4x+1=0 ⑸ 3(x-1)²-6=0 ⑹ x²-4x+4=5 ⑺ 9x²-5=3 ⑻ (x+6)²-9=0 ⑼ 9x²+6x+1=4 草稿纸写过程发送,
解方程:⑴ 2y²=8 ⑵ 2(x-8)²=50 ⑶ (2x-1)²解方程:⑴ 2y²=8 ⑵ 2(x-8)²=50 ⑶ (2x-1)²-4=0 ⑷ 4x²-4x+1=0 ⑸ 3(x-1)²-6=0 ⑹ x²-4x+4=5 ⑺ 9x²-5=3 ⑻ (x+6)²-9=
(1)y=2或y=-2
(2)x=13或x=3
(3)x=3/2或x=-1/2
(4)x=1/2(或0.5)
(5)x=√2+1或x=-√2+1
(6)x=-√5+2或x=√5+2
(7)x=(2√2)/3或x=-(2√2)/3
(8)x=-3或x=-9
(9)x=1/3或x=-1
2y²=8 ⑵ 2(x-8...