1.red+yellow= —— 2.yellow+blue=—— 3.red+blue=—— 4.red+yelloe+blue=——
问题描述:
1.red+yellow= —— 2.yellow+blue=—— 3.red+blue=—— 4.red+yelloe+blue=——
答
red+yellow=orange
yellow+blue=green
red+blue= purple
red+yelloe+blue=gray