two times two equals four（2×2等于4）表达方式是否正确?

two times two equals four（2×2等于4）表达方式是否正确? Six minus two equals four. Two plus two equals four.为什么是equals. two times two is four 求英语高手解析句子:two plus two equalS four.比如equals为什么用第三人称单数? One plus one equals two. one and one equals two 考试问：4加2等于几?我写了一个：how much is two and four?对了但有同学写what is two two and two is four Two and two are four. Five and two is/equals seven. 为什么是equals? A is 1 less than two times of B,and B is 10 less four times