搬运1000只玻璃瓶,规定搬一只可得搬运费3角,但打碎一只要赔5角,如果运完后,共得运费260元,问搬运中打碎了几只?*],x.B4})l:c9p5n's
算式:提示4e'F,\9Y,`*],x.B4})l:c9p5n's
答:搬运中打碎了7Y9N+D9@只。*],x.B4})l:c9p5n's