汽车每小时行68千米,比摩托车每小时多行20千米,摩托车比自行车每小时多行28千米,自行车每小时行多少千米?;E;],`0a'D(y2s9@/y+W*@6m8^(G.}
算式:提示2^8}0_+B1y-r/P9V2X9X;f0L;E;],`0a'D(y2s9@/y+W*@6m8^(G.}
答:自行车每小时行/S/B4~5E7g1v5{:a8T0\:C8~千米。;E;],`0a'D(y2s9@/y+W*@6m8^(G.}