A.In 1636.
B.In 1638.
C.In 1836.
D.In 1782.
请帮忙给出正确答案和分析,谢谢!
A.In 1987B.In 1986C.In 1985D.In 1984
A.In 1928.B.In 1982.C.In 1980.D.In 1920.
A.In 1980.B.In 1986.C.In 1991.D.In 2000.
A.In 1585.B.In 1584.C.In 1583.D.In 1586.
【C6】A.In factB.In additionC.In generalD.In theory