求大神解分式方程和其他题:1/2x-6 = 1/2 - 3/3-x如题,(1)计算:x+3/x²+x+2/x+1(2)解方程:1/2x-6 = 1/2 - 3/3-x(3)解方程:x/2x-3 - 5/3-2x=4(4)化简:-b·b/2a / 1/a =(5)先化简,后求值:当x=5时,求
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![求大神解分式方程和其他题:1/2x-6 = 1/2 - 3/3-x如题,(1)计算:x+3/x²+x+2/x+1(2)解方程:1/2x-6 = 1/2 - 3/3-x(3)解方程:x/2x-3 - 5/3-2x=4(4)化简:-b·b/2a / 1/a =(5)先化简,后求值:当x=5时,求](/uploads/image/z/343059-51-9.jpg?t=%E6%B1%82%E5%A4%A7%E7%A5%9E%E8%A7%A3%E5%88%86%E5%BC%8F%E6%96%B9%E7%A8%8B%E5%92%8C%E5%85%B6%E4%BB%96%E9%A2%98%EF%BC%9A1%2F2x-6+%3D+1%2F2+-+3%2F3-x%E5%A6%82%E9%A2%98%2C%EF%BC%881%EF%BC%89%E8%AE%A1%E7%AE%97%EF%BC%9Ax%2B3%2Fx%26%23178%3B%2Bx%2B2%2Fx%2B1%EF%BC%882%EF%BC%89%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A1%2F2x-6+%3D+1%2F2+-+3%2F3-x%EF%BC%883%EF%BC%89%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9Ax%2F2x-3+-+5%2F3-2x%3D4%EF%BC%884%EF%BC%89%E5%8C%96%E7%AE%80%EF%BC%9A-b%C2%B7b%2F2a+%2F+1%2Fa+%3D%EF%BC%885%EF%BC%89%E5%85%88%E5%8C%96%E7%AE%80%2C%E5%90%8E%E6%B1%82%E5%80%BC%EF%BC%9A%E5%BD%93x%3D5%E6%97%B6%2C%E6%B1%82)
求大神解分式方程和其他题:1/2x-6 = 1/2 - 3/3-x如题,(1)计算:x+3/x²+x+2/x+1(2)解方程:1/2x-6 = 1/2 - 3/3-x(3)解方程:x/2x-3 - 5/3-2x=4(4)化简:-b·b/2a / 1/a =(5)先化简,后求值:当x=5时,求
求大神解分式方程和其他题:1/2x-6 = 1/2 - 3/3-x
如题,
(1)计算:x+3/x²+x+2/x+1
(2)解方程:1/2x-6 = 1/2 - 3/3-x
(3)解方程:x/2x-3 - 5/3-2x=4
(4)化简:-b·b/2a / 1/a =
(5)先化简,后求值:当x=5时,求(x- x-4/x-3) / x²-4/x-3
(6)解方程:1/x²-1 + 2/x+1 = 0
求大神解分式方程和其他题:1/2x-6 = 1/2 - 3/3-x如题,(1)计算:x+3/x²+x+2/x+1(2)解方程:1/2x-6 = 1/2 - 3/3-x(3)解方程:x/2x-3 - 5/3-2x=4(4)化简:-b·b/2a / 1/a =(5)先化简,后求值:当x=5时,求
⑴、(x+3)/(x^2+x)+2/(x+1)=3(x+1)/x(x+1)=3/x;
⑵、1/(2x-6)=1/2-3/(3-x)=(x-3+6)/(2x-6),——》x+3=1,——》x=-2;
⑶、x/(2x-3)-5/(3-2x)=(x+5)/(2x-3)=4,——》x+5=8x-12,——》x=17/7;
⑷、原式=-b^2/2;
⑸、原式=(x-2)/(x+2)=(5-2)/(5+2)=3/7;
⑹、1/(x^2-1)+2/(x+1)=(1+2x-2)/(x^2-1)=0,
——》2x-1=0,
——》x=1/2.