请注视视标板，你能发现哪一个数字的背景颜色更亮吗？

Please watch the test-object board. Can you find which number has the brightest background color?

youdao

请注视视标板，你能发现哪一个数字的背景颜色更亮吗？

Please watch the test-object board. Can you find which number has the brightest background color?

youdao