小朋友栽树，已经载好了10棵，还有4棵没有栽，一共要栽多少棵？9z*F0C)@6B:|(W,V5X
算式：提示.}:Z'n+v0e-z.m/h9z*F0C)@6B:|(W,V5X
答：一共要栽)[2M,r0u棵。9z*F0C)@6B:|(W,V5X