求一道数学JJ答案

miraere

A interrior decorator will paint the apartment , there are six colors of the painting the decorator can use:red, blue , green , yellow,white,and pink. how many choices the decorator can make with the white color included ever choice.

1+C51+C52+C53+C54+C55 = 32

不理解答案中最前面为什么加1。

请NN们帮忙解答下。

junlipku

就是C50

mingming8152

1是白色

miraere

谢谢楼上两位的答案。