(x-y)·2(x-y)²·3(x-y)³ 计算

问题描述:

(x-y)·2(x-y)²·3(x-y)³ 计算

6(x-y)6次方要步骤谢谢把(x-y)乘起来指数相加得到(x-y)的6次方,2×3等于6,两者相乘得6(x-y)6次方