分式的乘除计算要完整的过程(1)b/a .a/c(2)x²-4y²/3xy³.xy/x+2y (3) 3y/10x .6y²/2x² (4)x/x²-1 .x²+x/x²
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![分式的乘除计算要完整的过程(1)b/a .a/c(2)x²-4y²/3xy³.xy/x+2y (3) 3y/10x .6y²/2x² (4)x/x²-1 .x²+x/x²](/uploads/image/z/5933287-55-7.jpg?t=%E5%88%86%E5%BC%8F%E7%9A%84%E4%B9%98%E9%99%A4%E8%AE%A1%E7%AE%97%E8%A6%81%E5%AE%8C%E6%95%B4%E7%9A%84%E8%BF%87%E7%A8%8B%EF%BC%881%EF%BC%89b%2Fa+.a%2Fc%EF%BC%882%EF%BC%89x%26%23178%3B-4y%26%23178%3B%2F3xy%26%23179%3B.xy%2Fx%2B2y+%283%29+3y%2F10x+.6y%26%23178%3B%2F2x%26%23178%3B+%284%29x%2Fx%26%23178%3B-1+.x%26%23178%3B%2Bx%2Fx%26%23178%3B)
分式的乘除计算要完整的过程(1)b/a .a/c(2)x²-4y²/3xy³.xy/x+2y (3) 3y/10x .6y²/2x² (4)x/x²-1 .x²+x/x²
分式的乘除计算要完整的过程(1)b/a .a/c
(2)x²-4y²/3xy³.xy/x+2y (3) 3y/10x .6y²/2x² (4)x/x²-1 .x²+x/x²
分式的乘除计算要完整的过程(1)b/a .a/c(2)x²-4y²/3xy³.xy/x+2y (3) 3y/10x .6y²/2x² (4)x/x²-1 .x²+x/x²
(1)b/a .a/c
=(b×a)/(a×c)
=b/c
(2)x²-4y²/3xy³.xy/x+2y
=(x+2y)(x-2y)(xy)/(3y²)(xy)(x+2y)
=(x-2y)/3y²
(3) 3y/10x .6y²/2x²
=(3y.6y²)/(10x.2x²)
=9y³/10x³
(4)x/x²-1 .x²+x/x²
=x.x(x+1)/(x+1)(x-1)x²
=1/(x-1)
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