华华的妈妈今年比华华大26岁,4年后妈妈的年龄是华华的3倍,华华和妈妈今年各几岁? oCiyJ65DGZlYPiwfvu0zv9EH0BUFUnLJ2owp7WxGC6dMAEWhcE1u5h4M9QrM6t2y