【分式的乘除】几道计算题(1)x-2 / x+1 * (x ² -1 / x ² -4)=(2)(x ² -3x+2 / x ² +3x+2)* (x+x ² / 2x-2)=(3)(a ² -b ² / 2a+2b)* (4 / a ² +ab-2b ² )=(4)4ab÷(b /
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![【分式的乘除】几道计算题(1)x-2 / x+1 * (x ² -1 / x ² -4)=(2)(x ² -3x+2 / x ² +3x+2)* (x+x ² / 2x-2)=(3)(a ² -b ² / 2a+2b)* (4 / a ² +ab-2b ² )=(4)4ab÷(b /](/uploads/image/z/386627-59-7.jpg?t=%E3%80%90%E5%88%86%E5%BC%8F%E7%9A%84%E4%B9%98%E9%99%A4%E3%80%91%E5%87%A0%E9%81%93%E8%AE%A1%E7%AE%97%E9%A2%98%EF%BC%881%EF%BC%89x-2+%2F+x%2B1+%2A+%EF%BC%88x+%26%23178%3B+-1+%2F+x+%26%23178%3B+-4%EF%BC%89%3D%EF%BC%882%EF%BC%89%EF%BC%88x+%26%23178%3B+-3x%2B2+%2F+x+%26%23178%3B+%2B3x%2B2%EF%BC%89%2A+%EF%BC%88x%2Bx+%26%23178%3B+%2F+2x-2%EF%BC%89%3D%EF%BC%883%EF%BC%89%EF%BC%88a+%26%23178%3B+-b+%26%23178%3B+%2F+2a%2B2b%EF%BC%89%2A+%EF%BC%884+%2F+a+%26%23178%3B+%2Bab-2b+%26%23178%3B+%EF%BC%89%3D%EF%BC%884%EF%BC%894ab%C3%B7%EF%BC%88b+%2F)
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