Vivo @ Math Challenge to win Vivo Smartband!
You pandai tak ? If you think you are pandai enough, take on our “vivo Math Challenge” la !! Those who answer ngam ngam will stand a chance to win the vivo Smartband le.
喜欢解数学题？喜欢速算？Come on，敢不敢接受来自 vivo 的数学挑战？ 不如来测试看看你的逻辑算数能力吧！如果你答对了，还有机会赢取 vivo 送出的礼物哦~
