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求lim _(xarrow 1)(dfrac (3)(1-{x)^3}-dfrac (1)(1-x))=()lim _(xarrow 1)(dfrac (3)(
lim _(xarrow 1)(dfrac (1)(1-x)-dfrac (3)(1-{x)^3})-|||-__ __;;
lim _(xarrow 1)(dfrac (1)(1-x)-dfrac (3)(1-{x)^3})=-|||-_______._____.
(4) lim _(xarrow 1)(dfrac (1)(1-x)-dfrac (3)(1-{x)^3});
lim _(xarrow 1)dfrac (1-{x)^3}(1-x)
14 lim _(xarrow 1)(dfrac (1)(1-x)-dfrac (3)(1-{x)^3}) 一
求极限：lim _(xarrow 1)(dfrac (1)(1-x)-dfrac (3)(1-{x)^3})-|||-__ __.求极限：.
求下列极限：lim _(xarrow 1)(dfrac (3)(1-{x)^3}-dfrac (1)(1-x))-|||-__求下列极限：
1.计算下列极限:-|||-(14) lim _(xarrow 1)(dfrac (1)(1-x)-dfrac (3)(1-{x)^3}) -
lim _(xarrow 1)(dfrac (a)(1-{x)^2}+dfrac (x)(x-1))=dfrac (3)(2) = __