就是--------------------?问
--------------------。答
就是--------------------?问
--------------------。答
What's twelve minus nine ?
Twelve minus nine is three.
Twelve minus nine equals/is three.
minus['mainəs]adj. 负的,减去的n. 减号,负号prep. 减去(此处为介词)
equal.vt.等于
What is twelve minus nine ?
Three