翻译成英文：4加16是多少？ -20

what is four plus sixteen?
it is twenty

what's four plus sixteen? twenty

What is the answer for four plus sixteen? Twenty.

你为什么有个“-”再20前面。负号英文是negative.

有两种。
what's four and sixteen?
It's twenty.
what's four plus sixteen?
twenty.

4+16?20!国际通用符号。。哈哈