red+blue=

Red+blue+Yellow= blue+red=? blue+red+yellow= red+yellow+blue=? red+blue= red+yellow+blue= red+()=purple red+yellow+blue=() blue+red=什么色 red+blue=甚么颜色 英语加法red+yellow= yellow+blue= red+blue= black+white=white+red 1.red+yellow= 2.yellow+blue= 3.red+blue= 4.red+yelloe+blue= Res+yellow=?Red+white=?Red+blue+yellow=?