A．Pictures of triangles.
B．Calculations using square numbers.
C．Measurements of angles.
D．Greek symbols.

A.Pictures
B.
B．Calculations
C.
C．Measurements
D.
D．Greek

【参考答案】

B
解析：What was on the Mesopotamian tablet mentioned in th......

(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)