一头牛一天吃草32千克,4头牛6天共吃多少千克?9W;a.E6G5N2|;O
算式:提示5C3Q;B:U(g*C:W3Y-f3j9]2`9W;a.E6G5N2|;O
答:4头牛6天共吃:o9Q4j*F9e+?千克。9W;a.E6G5N2|;O