展开 (c(a-b))/(a(b-c))

解答

展开

\frac{c ( a - b )}{a ( b - c )}

\frac{c a - c b}{ab - c a}

求解步骤

\frac{c ( a - b )}{a ( b - c )}

乘开

a (b - c) : ab - c a

= \frac{c ( a - b )}{ab - c a}

乘开

c (a - b) : c a - c b

= \frac{c a - c b}{ab - c a}

e x p an d (2 + 8^{2 \circ}) \cdot 6

e x p an d (2, 1) x (0, - 3)

e x p an d x sin (θ) d θ + (x^{3} - 2 x^{2} cos (θ) + cos (θ)) d x

e x p an d \frac{[ x y ( 3 x ^{2} - 5 y ^{2} ) - x ^{4} + 3 y ^{4} ]}{( x - y ) 2}

e x p an d e^{x - 3} (x^{2} - 1)