Let the continuous function f(x,y) satisfy xxx , to calculate . - 道道学堂问答

Let the continuous function f(x,y) satisfy xxx , to calculate .

匿名用户最后更新于 2021-10-17 20:25 数学类Mathematics

Let the continuous function(x, y) satisfy lim(x,)-x-2y-4--1 to calculate. x+limf(2h,0)-f(0,-h)k→0h

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