Question

通分2a的平方b分之3与ab的平方c分之a- b

Answer 1

3/2a^2b与 (a-b)/3ab^2c的公分母为6a^2b^2c,

3/2a^2b=9bc/6a^2b^2c,

(a-b)/3ab^2c=2(a-b)a/6a^2b^2c