A.They taught the Mesopotamians about square numbers.B.They were less advanced in math

外语类 公共英语 已帮助 人

A.They taught the Mesopotamians about square numbers.

B.They were less advanced in mathematics than the Mesopotamians.

C.They did not use square numbers.

D.They knew how to measure angles.

热搜:a是b的充分条件,b是a的必要条件吗