外研版（三起）（2012）小学英语五年级下册Module 2 Unit 2 Mr Li was a teacher.Module 2 Unit 2 Mr Li was a teacher.教案(4)

外研版（三起）（2012）小学英语五年级下册Module 2 Unit 2 Mr Li was a teacher.Module 2 Unit 2 Mr Li was a teacher.习题(1)

外研版（三起）（2012）小学英语四年级下册Module 9 Unit 2 Did you have a nice holiday$%Module 9 Unit 2 Did you have a nice holiday$%导学案(2)

外研版（三起）（2012）小学英语四年级下册Module 9 Unit 2 Did you have a nice holiday$%Module 9 Unit 2 Did you have a nice holiday$%课件(2)

外研版（三起）（2012）小学英语四年级下册Module 9 Unit 2 Did you have a nice holiday$%Module 9 Unit 2 Did you have a nice holiday$%教案(2)

外研版（三起）（2012）小学英语四年级下册Module 9 Unit 2 Did you have a nice holiday$%Module 9 Unit 2 Did you have a nice holiday$%习题(2)

微分学讨论题 1.设f(x,y)在点M(x0,y0)可微 af (xo, yo) af(xo, yo) =1,则∫(x,y)在点M(x0,y)的微分是( 2.已知(x+ay)x+yzy 为某个二元函数的全微分,则a=() x+ 3.设函数二=f(x,y)是由方程xz+x2+y2+2=√2确定的在点(0-)求止 (dx-√2dy) 4.设∫(x,y,z)=xy2+yz2+xx2,求 a2f(0,0,1)a2f(10.2)a2f(0,-10)03f(2,0,1) 2.2.0.0) 5.求下列函数在指定点的全微分

考虑一个物种，物种A的图形： 假设物种A按2:1的比例用资源1和2（用 虚线表示）。 如果资源供应点落在 1 区（虚线上面）， 那么 R1 会是限制性的。换句话说，如 果物种 A 以 2:1 的固定比利用资源，而 资源供应点的比 R1:R2 小于 2:1，那么 物种 A 会先用完 R1

外研版（三起）（2012）小学英语五年级下册Module 1 Unit 2 She didn't have a television.Module 1 Unit 2 She didn't have a television.课件(2)

外研版（三起）（2012）小学英语五年级下册Module 1 Unit 2 She didn't have a television.Module 1 Unit 2 She didn't have a television.教案(2)