一条河堤136米,每隔2米栽一棵垂柳,头尾都栽,一共要栽多少棵垂柳?+@*u)S8T6]0U'i*\1\;V
算式:提示4W.b5D,Q;y(X;A8Y)h+}:x+@*u)S8T6]0U'i*\1\;V
答:一共要栽:A)X(E4M'z'I:H棵垂柳。+@*u)S8T6]0U'i*\1\;V