某环形公路长15千米,甲、乙两人同时同地沿公路骑自行车反向而行,0.5小时后相遇,若他们同时同地同

<span style="font-size:13px">某环形公路长<span style=";font-family:times new roman;">15</span><span style=";font-family:宋体;">千米,甲、乙两人同时同地沿公路骑自行车反向而行,</span><span style=";font-family:times new roman;">0.5</span><span style=";font-family:宋体;">小时后相遇,若他们同时同地同向而行,经过</span><span style=";font-family:times new roman;">3</span><span style=";font-family:宋体;">小时后,甲追上乙,问乙的速度是多少?</span></span><span style="font-size:13px"><o:p></o:p></span> <span style="font-size:13px">A<span style=";font-family:宋体;">.</span><span style=";font-family:times new roman;">12</span><span style=";font-family:宋体;">.</span><span style=";font-family:times new roman;">5</span><span style=";font-family:宋体;">千米</span><span style=";font-family:times new roman;">/</span><span style=";font-family:宋体;">小时</span></span><span style="font-size:13px">B<span style=";font-family:宋体;">.</span><span style=";font-family:times new roman;">13</span><span style=";font-family:宋体;">.</span><span style=";font-family:times new roman;">5</span><span style=";font-family:宋体;">千米</span><span style=";font-family:times new roman;">/</span><span style=";font-family:宋体;">小时</span></span><span style="font-size:13px"><o:p></o:p></span> <span style="font-size:13px">C<span style=";font-family:宋体;">.</span><span style=";font-family:times new roman;">15</span><span style=";font-family:宋体;">.</span><span style=";font-family:times new roman;">5</span><span style=";font-family:宋体;">千米</span><span style=";font-family:times new roman;">/</span><span style=";font-family:宋体;">小时</span></span><span style="font-size:13px">D<span style=";font-family:宋体;">.</span><span style=";font-family:times new roman;">17</span><span style=";font-family:宋体;">.</span><span style=";font-family:times new roman;">5</span><span style=";font-family:宋体;">千米</span><span style=";font-family:times new roman;">/</span><span style=";font-family:宋体;">小时</span></span><span style="font-size:13px"><o:p></o:p></span>

时间:2023-01-13 16:07:10

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