vv小石头
幼苗
共回答了14个问题采纳率:100% 举报
y = 0 * (x-2)(x-3)(x-4)(x-5)(x-6) / (1-2)(1-3)(1-4)(1-5)(1-6)
+ 6 * (x-1)(x-3)(x-4)(x-5)(x-6) / (2-1)(2-3)(2-4)(2-5)(2-6)
+ (-6) * (x-1)(x-2)(x-4)(x-5)(x-6) / (3-1)(3-2)(3-4)(3-5)(3-6)
+ 18 * (x-1)(x-2)(x-3)(x-5)(x-6) / (4-1)(4-2)(4-3)(4-5)(4-6)
+ (-30) * (x-1)(x-2)(x-3)(x-4)(x-6) / (5-1)(5-2)(5-3)(5-4)(5-6)
+ 66 * (x-1)(x-2)(x-3)(x-4)(x-5) / (6-1)(6-2)(6-3)(6-4)(6-5)
1年前
5